A clearly visible object, generally flat, bearing a short message in words or pictures.
An astrological 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.
Sign language in general.
A wonder; miracle; prodigy.
A perceptible (e.g. visible) indication.
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.
Physical evidence left by an animal.
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.
Positive or negative polarity, as denoted by the + or - sign.
To write (one's name) as a signature.
To validate or ratify (a document) by writing one's signature on it.
To communicate using gestures to (someone).
To bless (someone or something) with the sign of the cross; to mark with the sign of the cross.
To engage (a sports player, musician etc.) in a contract.
To determine the sign of
To cross oneself.
To furnish (a road etc.) with signs.
More generally, to write one's signature on (something) as a means of identification etc.
To write one's signature.
To finalise a contractual agreement to work for a given sports team, record label etc.
To use sign language.
To communicate or make known (a meaning, intention, etc.) by a sign.
To calculate or derive whether a quantity has a positive or negative sign.
To mark, to put or leave a mark on.
To communicate using a gesture or signal.
An empty space; a vacuum.
An empty place; A location that has nothing useful.
A collection of adjacent vacancies inside a crystal lattice.
A pocket of vapour inside a fluid flow, created by cavitation.
An extended region of space containing no galaxies.
An empty space between floors or walls, including false separations and planned gaps between a building and its facade.
A black cat.
That does not return a value; a procedure.
Containing nothing; empty; not occupied or filled.
Having no incumbent; unoccupied; said of offices etc.
Being without; destitute; devoid.
Containing no immaterial quality; destitute of mind or soul.
Not producing any effect; ineffectual; vain.
Of no legal force or effect, incapable of confirmation or ratification.
To make invalid or worthless.
To throw or send out; to evacuate; to emit; to discharge.
To empty.