a token; indication.
any object, action, event, pattern, etc., that conveys a meaning.
a conventional or arbitrary mark, figure, or symbol used as an abbreviation for the word or words it represents.
a motion or gesture used to express or convey an idea, command, decision, etc.:
Her nod was a sign that it was time to leave.
a notice, bearing a name, direction, warning, or advertisement, that is displayed or posted for public view:
a traffic sign; a store sign.
a trace; vestige:
There wasn’t a sign of them.
an arbitrary or conventional symbol used in musical notation to indicate tonality, tempo, etc.
Medicine/Medical. the objective indications of a disease.
any meaningful gestural unit belonging to a sign language.
an omen; portent:
a sign of approaching decadence.
sign of the zodiac.
sign language (def 1).
Usually, signs. traces, as footprints, of a wild animal.
a plus sign or minus sign used as a symbol for indicating addition or subtraction.
a plus sign or minus sign used as a symbol for indicating the positive or negative value of a quantity, as an integer.
a symbol, as or !, used to indicate a radical or factorial operation.
verb (used with object)
to affix a signature to:
to sign a letter.
to write as a signature:
to sign one’s name.
to engage by written agreement:
to sign a new player.
to mark with a sign, especially the sign of the cross.
to communicate by means of a sign; signal:
He signed his wish to leave.
to convey (a message) in a sign language.
Obsolete. to direct or appoint by a sign.
verb (used without object)
to write one’s signature, as a token of agreement, obligation, receipt, etc.:
to sign for a package.
to make a sign or signal:
He signed to her to go away.
to employ a sign language for communication.
to obligate oneself by signature:
He signed with another team for the next season.
sign away/over, to assign or dispose of by affixing one’s signature to a document:
She signed over her fortune to the church.
sign in, to record or authorize one’s arrival (or departure) by signing a register.
Also, sign out.
to withdraw, as from some responsibility or connection.
to cease radio or television broadcasting, especially at the end of the day.
Informal. to become silent:
He had exhausted conversation topics and signed off.
to indicate one’s approval explicitly if not formally:
The president is expected to sign off on the new agreement.
to employ; hire.
to bind oneself to work, as by signing a contract:
He signed on as a pitcher with a major-league team.
to start radio or television broadcasting, especially at the beginning of the day.
Computers. log1 (def 17).
sign up, to enlist, as in an organization or group; to register or subscribe:
to sign up for the navy; to sign up for class.
something that indicates or acts as a token of a fact, condition, etc, that is not immediately or outwardly observable
an action or gesture intended to convey information, a command, etc
a board, placard, etc, displayed in public and inscribed with words or designs intended to inform, warn, etc
(as modifier): a sign painter
an arbitrary or conventional mark or device that stands for a word, phrase, etc
any symbol indicating an operation: a plus sign, an implication sign
the positivity or negativity of a number, quantity, or expression: subtraction from zero changes the sign of an expression
an indication or vestige: the house showed no signs of being occupied
a portentous or significant event
an indication, such as a scent or spoor, of the presence of an animal
(med) any objective evidence of the presence of a disease or disorder Compare symptom (sense 1)
(astrology) Compare sign of the zodiac
to write (one’s name) as a signature to (a document, etc) in attestation, confirmation, ratification, etc
(intransitive) often foll by to. to make a sign; signal
to engage or be engaged by written agreement, as a player for a team, etc
(transitive) to outline in gestures a sign over, esp the sign of the cross
(transitive) to indicate by or as if by a sign; betoken
(intransitive) to use sign language
Something that suggests the presence or existence of a fact, condition, or quality.
A trace or vestige, as of disease or life.
A body manifestation, usually detected on physical examination or through laboratory tests or xrays, that indicates the presence of abnormality or disease. Compare symptom.
See symbol. See Table at symbol.
or Sign English noun 1. a form of communication employing the signs of American Sign Language but using English grammar in place of ASL syntax and using invented forms for English grammatical elements, such as of, to, the, and -ing, where no ASL sign exists.
- Signed minor
noun 1. (maths) another name for cofactor
noun 1. Mathematics. a number preceded by a plus sign (+) to indicate a positive quantity or by a minus sign (−) to indicate a negative quantity.
- Signed-ranks test
noun 1. (statistics) See Wilcoxon test