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Video via SpreadTheSign  - Free educational resource BSL
Updated April 27, 2026
British Sign Language (BSL) 🟢 Beginner 📊 A1 ⚡ Very Common Verb

know

To possess information, understanding, or familiarity with something or someone

Source-linked video Step-by-step guide Context and safety notes
Synonyms
Understand aware recognise
Antonyms
Don't know ignorant forget
Difficulty
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How to sign it
Handshape
Flat hand, thumb touches index/middle fingertips
Location
Starts at temple/forehead, moves forward
Movement
Single outward motion from temple/forehead
Palm Orientation
Palm faces signer or slightly forward
Facial Expression
Slight nod, neutral expression
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What This Sign Means in BSL

The BSL sign for know is a fundamental and widely used verb, capturing the essence of possessing information, being familiar with a person or place, or having a particular skill. At its core, it's about internalised understanding and recall. You use it when you're stating a fact you hold in your mind, asking if someone else holds that fact, or confirming acquaintance. It's a very direct sign, often serving as a clear affirmation or a straightforward query. Think of the handshape – a flat hand with your thumb touching your fingertips – as if you're gently holding a piece of knowledge or a specific thought. This isn't a tight grasp, but a confident, controlled hold. The movement then externalises this; it's as if you’re bringing that held knowledge from your mind (your temple/forehead) out into the open, either to share it, confirm it, or ask about it. This sign primarily conveys factual or experiential knowledge rather than deeper comprehension. While it covers a broad spectrum of 'knowing', it’s important to appreciate its directness. It doesn't imply an ongoing process of learning, nor does it typically suggest understanding something at a profound, emotional level. Instead, it’s often used to communicate simple, verifiable information: "I know her name," "Do you know the way?", or "Yes, I know that song." Its simplicity makes it incredibly versatile and a cornerstone of everyday BSL conversation.

When This Sign Feels Natural

This sign feels most natural when you're dealing with concrete information, established relationships, or learned abilities. You'll use it effortlessly when asking about someone's acquaintance with another person, inquiring about a particular piece of information (like a date or a location), or confirming whether someone has mastered a skill. For instance, if you're introducing people, you might sign "YOU KNOW HER?" And if you're discussing plans, "I KNOW THE RESTAURANT" would be perfectly natural. It's suitable for a wide range of registers, from casual chats with friends to more formal discussions. You'd naturally reach for this sign when the alternative might be a spoken English phrase like "Are you acquainted with...?" or "Are you aware of...?" It's also the go-to sign for expressing certainty about a fact. "I know" can be a powerful statement of conviction in BSL, often accompanied by a firm nod. It's incredibly useful when navigating new places or information, such as "DO YOU KNOW THE TRAIN STATION?" or "I DON'T KNOW THE ANSWER." However, you might choose a different sign if the nuance you want to convey is more about deep comprehension, familiarity through experience, or active learning. For example, if you mean "I *understand* what you're saying," you'd typically use the sign for UNDERSTAND. If it's about recognition, like spotting someone in a crowd, the sign for RECOGNISE would be more appropriate. "Know" is about having the information or acquaintance stored, ready for retrieval and expression.

What Learners Usually Miss

One common subtlety learners miss with the sign for know is the precise starting location and the quality of the movement. It’s not just a general tap on the head; the hand starts specifically at or very near the temple/forehead area. The movement is a clear, controlled arc outwards and slightly forward, not a vague wave or a sharp jab. Maintaining the flat hand with thumb touching fingertips throughout this movement is crucial; sometimes learners inadvertently relax the handshape, which can make the sign less clear or even shift it towards a different meaning. Another frequent oversight is the crucial role of non-manual features (NMFs). When asking a question like "DO YOU KNOW?", your eyebrows should be raised, and you might lean forward slightly. For a statement like "I KNOW," a firm nod and a neutral or confident facial expression are expected. Conversely, for "I DON'T KNOW," a slight head shake accompanies the sign for DON'T KNOW (which often incorporates the 'know' sign). Missing these NMFs can make your communication ambiguous, turning a question into a statement or vice-versa, regardless of your hand movements. Finally, some learners can confuse "know" with signs like UNDERSTAND or LEARN due to proximity to the head. While all involve mental processes, their handshapes and movements are distinct. UNDERSTAND usually involves an open hand moving up from the temple, signifying ideas 'clicking into place.' LEARN often involves bringing information *to* the head. The sign for know is unique in its specific handshape holding the 'fact' and then pushing it outwards. Pay close attention to these distinctions, as they are key to clear and accurate BSL communication.

A Simple Way to Remember It

Imagine you're gently holding a precious piece of information or a specific memory right at your temple. The sign for know then becomes the act of confidently bringing that stored knowledge forward, making it available and visible. It's a simple, direct gesture that physically represents a mental process.
  • Your head is the library: The sign starts at your temple/forehead, the place where thoughts and memories reside.
  • Your hand holds the 'fact': The flat hand with thumb touching fingertips is like you're gently cupping or holding a specific piece of information.
  • Pushing it out means you possess it: The outward movement shows you're bringing that knowledge out from your mind, confirming you *know* it.

Short Practice Situations

  • Try signing "Do you know where the nearest post office is?" using the BSL sign for know and appropriate facial expression.
  • Practice stating "Yes, I know that person very well" to confirm acquaintance.
  • Imagine someone asks you about a topic, and you sign "I don't know the answer to that."
  • Sign "We know how to play chess" to indicate a learned skill.
  • Ask a friend "Do you know what time the meeting starts?" incorporating the question NMFs.

Signs to Learn Next

  • DON'T KNOW: This is an essential follow-up. It often involves signing "know" then quickly shaking your head, or a specific sign for "don't know" that might incorporate elements of the "know" sign with a negative headshake. It's the natural counterpoint.
  • UNDERSTAND: Often confused with 'know', this sign distinguishes between having a fact and truly grasping its meaning or implications. It's vital for expressing comprehension beyond simple recall.
  • RECOGNISE: While 'know' can mean being familiar with a person, 'recognise' is more about the act of identifying someone or something you've encountered before, often visually. It's about 'spotting' or 'identifying'.
  • LEARN: The process of acquiring knowledge. Understanding 'learn' alongside 'know' helps you talk about the journey to possessing information, not just the possession itself.
  • THINK: This sign describes the mental activity of forming ideas or opinions. It's closely related to 'know' as thinking often precedes or follows knowing, allowing you to express deeper cognitive processes.

🤖 AI Learning Guide for "know"

The BSL sign for 'know' uses a specific flat handshape with the thumb touching the fingertips, starting at the temple and moving forward once

🎯 Practice Challenge

Practise the precise handshape and clear forward movement from the temple

⚠️ Most Common Mistake

Ensure handshape is exact (flat hand, thumb to fingertips) and movement is a single, clear forward stroke. Avoid signing too close to the eye

👐 How to Sign "know" in British Sign Language (BSL) (Quick Answer)

Follow these steps to sign know correctly in British Sign Language (BSL):

  1. 1 Form flat hand, thumb to fingertips
  2. 2 Place fingertips at temple/forehead
  3. 3 Move hand outwards and slightly forward
  4. 4 Stop with palm slightly forward

Tip: Watch the video above while following these steps for best results.

🤚 Sign Profile

🤚
Handshape
Flat hand, thumb touches index/middle fingertips
Dominant Hand
Either
🙌
Hand Count
One-handed
📍
Location
Starts at temple/forehead, moves forward
↗️
Movement
Single outward motion from temple/forehead
🔄
Movement Type
Linear
👆
Contact
Touch
👋
Palm Orientation
Palm faces signer or slightly forward
⚖️
Symmetry
Asymmetric

😊 Non-Manual Features

Facial expressions and body language are grammatically essential in British Sign Language (BSL) - not optional!

😊
Facial Expression
Slight nod, neutral expression
🙆
Eyebrows
Neutral
👁️
Eye Gaze
Forward
🙂
Head Movement
None or slight nod
👄
Mouth Morpheme
Silent or 'mmm' mouth pattern
🕴️
Body Shift
None

📖 Grammar & Linguistics

Part of Speech Verb
Transitivity Both
Inflection Yes
Classifier Usage N/A
Role Shift No

🎓 Learning Context

📌 When to Use: Expressing understanding, possessing information, familiarity
⚠️ Common Mistake: Confusing with 'think', incorrect handshape
🚫 When NOT to Use: When expressing uncertainty or ignorance
Context Tags
Cognition understanding information awareness

🧪 Practice Lab

Use these tiny checks right after watching the video. Fast feedback is what turns recognition into recall.

Meaning check

Which word matches the sign you just watched?

Usage check

Where would this sign fit most naturally?

Confidence check

How do you feel about know right now?

Pick one so SignDeaf can shape the rest of your session around how this sign actually feels.

🧭 Scenario Drill

One sign gets remembered faster when you attach it to real situations. Try these quick scene prompts.

Work

Stretch practice

Use this sign in a short workplace sentence or meeting exchange.

Family

Stretch practice

Try signing this while talking about family life or something at home.

School

Possible fit

Imagine teaching this sign to a classmate or using it in a lesson.

Doctor

Stretch practice

Practise it in a healthcare conversation where clarity matters.

Travel

Stretch practice

Use it in a travel scenario like asking for help or directions.

💬 Example Usage

1.[en] I know you. / BSL:[I KNOW YOU] | 2.[en] Do you know? / BSL:[YOU KNOW?] | 3.[en] She knows BSL. / BSL:[SHE KNOW BSL]

1.[en] I know you. / BSL:[I KNOW YOU] | 2.[en] Do you know? / BSL:[YOU KNOW?] | 3.[en] She knows BSL. / BSL:[SHE KNOW BSL]

When to use it

Expressing understanding, possessing information, familiarity

When not to use it

When expressing uncertainty or ignorance

Register

Neutral

🌍 Cultural Context

Direct and common expression of knowledge

🗺️ Regional Variations

Minor location/movement differences, core sign stable

⚖️ Similar Signs - What's the Difference?

This sign know
VS
Similar signs Look closely
KNOW: Flat hand, thumb to fingertips, moves out from temple. THINK: Index finger taps temple, moves out. UNDERSTAND: Bent V-hand touches temple, opens to 5-hand. Key difference is handshape and movement. Know is a single, clear forward stroke

📝 Usage Notes

Can be signed with a subtle nod. Inflectable for person

Frequently Asked Questions

Common questions about the British Sign Language (BSL) sign for "know".

💡
Did you know?
BSL is a full, natural language with its own grammar - not just English signed word by word.

📚 Explore More British Sign Language (BSL) Signs

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