sign (A1)

noun

Pronunciation: /saɪn/

Definition

A mark or shape that represents something, like a letter, number, or symbol.

Examples

• The road had a 'STOP' sign.

• She wrote her name as a sign of agreement.

• The doctor put a sign on the door to say 'Do Not Disturb'.

How to Use sign

sign of (prepositional phrase)

Something that shows or suggests something else. — "The dark clouds are a sign of rain."

sign up for (phrasal verb)

To agree to join or take part in something. — "I will sign up for the cooking class."

sign in (phrasal verb)

To write your name or a code to show you have arrived or entered. — "Please sign in at the reception desk."

sign out (phrasal verb)

To write your name or a code to show you have left. — "Remember to sign out when you leave the library."

Synonyms of sign

Words with a similar meaning to sign:

• mark
• symbol
• indication
• signal

Antonyms of sign

Words with the opposite meaning to sign:

• blank
• obscurity

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