sign

IPA: sˈaɪn

(sometimes also used uncountably) A fact that shows that something exists or may happen.
A mark or another symbol used to represent something.
(Canada, US, Australia, uncountable) Physical evidence left by an animal.
A clearly visible object, generally flat, bearing a short message in words or pictures.
A wonder; miracle; prodigy.
(astrology) An astrological sign.
(mathematics) Positive or negative polarity, as denoted by the + or - sign.
A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.
(uncountable) Sign language in general.
A semantic unit, something that conveys meaning or information (e.g. a word of written language); (linguistics, semiotics) a unit consisting of a signifier and a signified concept. (See sign (semiotics).)
An omen.
(medicine) A property of the body that indicates a disease and, unlike a symptom, can be detected objectively by someone other than the patient.
A military emblem carried on a banner or standard.

To make a mark
(transitive, now rare) To seal (a document etc.) with an identifying seal or symbol.
(transitive) To mark, to put or leave a mark on.
(transitive) To validate or ratify (a document) by writing one's signature on it.
(transitive) More generally, to write one's signature on (something) as a means of identification etc.
(transitive or reflexive) To write (one's name) as a signature.
(intransitive) To write one's signature.
(intransitive) To finalise a contractual agreement to work for a given sports team, record label etc.
(transitive) To engage (a sports player, musician etc.) in a contract.
To make the sign of the cross
(transitive) To bless (someone or something) with the sign of the cross; to mark with the sign of the cross.
(reflexive) To cross oneself.
To indicate
(intransitive) To communicate using a gesture or signal.
(transitive) To communicate or make known (a meaning, intention, etc.) by a sign.
(transitive) To communicate using gestures to (someone).
(intransitive) To use sign language.
(transitive) To furnish (a road etc.) with signs.
To determine the sign of
(transitive) To calculate or derive whether a quantity has a positive or negative sign.

Examples of "sign" in Sentences