Definition of Sign
1. Noun. A perceptible indication of something not immediately apparent (as a visible clue that something has happened). "They welcomed the signs of spring"
Generic synonyms: Clew, Clue, Cue
Specialized synonyms: Token
Derivative terms: Mark, Signify
2. Verb. Mark with one's signature; write one's name (on). "Please sign here"
Generic synonyms: Write
Specialized synonyms: Rubricate
Also: Sign Away, Sign In, Sign Over
Derivative terms: Signature, Signer, Subscription
3. Adjective. Used of the language of the deaf.
4. Noun. A public display of a message. "He posted signs in all the shop windows"
Specialized synonyms: Bill, Card, Notice, Placard, Poster, Posting, Street Sign, Guidepost, Signpost
5. Verb. Approve and express assent, responsibility, or obligation. "Have you signed your contract yet?"
Entails: Endorse, Indorse
Generic synonyms: Formalise, Formalize, Validate
Derivative terms: Ratification, Ratifier, Signer
6. Noun. Any nonverbal action or gesture that encodes a message. "Signals from the boat suddenly stopped"
Generic synonyms: Communication
Specialized synonyms: Recording, Number, Phone Number, Telephone Number, Start, Starting Signal, Storm Signal, Beam, Radio Beam, Ticktack, Time Signal, Dog-ear, Animal Communication, Alarm, Alarum, Alert, Warning Signal, Distress Call, Distress Signal, All Clear, Bugle Call, Curfew, Retreat, Drumbeat, Radiotelegraphic Signal, Telegraphic Signal, Whistle, Whistling, High Sign, Symbol, Visual Signal, Indicator, Electronic Signal, Radio Beacon, Input, Input Signal, Output, Output Signal
Derivative terms: Signify, Signal, Signal, Signalize, Signalize, Signalize, Signalize, Signal
7. Verb. Be engaged by a written agreement. "The soprano signed to sing the new opera"
Specialized synonyms: Undersign, Ink, Autograph, Inscribe, Initial, Countersign, Execute, Endorse, Indorse
Derivative terms: Signer
8. Noun. Structure displaying a board on which advertisements can be posted. "The highway was lined with signboards"
Specialized synonyms: Billboard, Hoarding, Sandwich Board, Scoreboard, Shingle
Generic synonyms: Construction, Structure
9. Verb. Engage by written agreement. "They signed two new pitchers for the next season"
Generic synonyms: Employ, Engage, Hire
Specialized synonyms: Contract Out
Derivative terms: Contract, Signer
10. Noun. (astrology) one of 12 equal areas into which the zodiac is divided.
Category relationships: Astrology, Star Divination
Generic synonyms: Part, Region
Group relationships: Zodiac
Specialized synonyms: Aries, Aries The Ram, Ram, Bull, Taurus, Taurus The Bull, Gemini, Gemini The Twins, Twins, Cancer, Cancer The Crab, Crab, Leo, Leo The Lion, Lion, Virgin, Virgo, Virgo The Virgin, Balance, Libra, Libra The Balance, Libra The Scales, Scorpio, Scorpio The Scorpion, Scorpion, Archer, Sagittarius, Sagittarius The Archer, Capricorn, Capricorn The Goat, Goat, Aquarius, Aquarius The Water Bearer, Water Bearer, Fish, Pisces, Pisces The Fishes
11. Verb. Communicate silently and non-verbally by signals or signs. "They sign the information to them"; "The diner signaled the waiters to bring the menu"
Generic synonyms: Communicate, Intercommunicate
Specialized synonyms: Wigwag, Semaphore, Heliograph, Flag, Whistle
Derivative terms: Signer, Signing, Signal, Signaler, Signaling, Signaller, Signal
12. Noun. (medicine) any objective evidence of the presence of a disorder or disease. "There were no signs of asphyxiation"
Category relationships: Medical Specialty, Medicine
Group relationships: Disease
Specialized synonyms: Vital Sign
13. Verb. Place signs, as along a road. "This road has been signed"
14. Noun. Having an indicated pole (as the distinction between positive and negative electric charges). "Charges of opposite sign"
Generic synonyms: Oppositeness, Opposition
Specialized synonyms: Positiveness, Positivity, Negativeness, Negativity
Derivative terms: Polar
15. Verb. Communicate in sign language. "I don't know how to sign, so I could not communicate with my deaf cousin"
16. Noun. An event that is experienced as indicating important things to come. "It was a sign from God"
Generic synonyms: Experience
Specialized synonyms: War Cloud, Omen, Portent, Presage, Prodigy, Prognostic, Prognostication
Derivative terms: Inaugurate
17. Verb. Make the sign of the cross over someone in order to call on God for protection; consecrate.
18. Noun. A gesture that is part of a sign language.
Generic synonyms: Gesture, Motion
Derivative terms: Signify
19. Noun. A fundamental linguistic unit linking a signifier to that which is signified. "The bond between the signifier and the signified is arbitrary"
20. Noun. A character indicating a relation between quantities. "Don't forget the minus sign"
Specialized synonyms: Equal Sign, Plus Sign, Minus Sign, Radical Sign
Derivative terms: Signify, Signify
Definition of Sign
1. n. That by which anything is made known or represented; that which furnishes evidence; a mark; a token; an indication; a proof.
2. v. t. To represent by a sign; to make known in a typical or emblematic manner, in distinction from speech; to signify.
3. v. i. To be a sign or omen.
Definition of Sign
1. Noun. (sometimes also used uncountably) A visible indication. ¹
2. Noun. A clearly visible object, generally flat, bearing a short message in words or pictures. ¹
3. Noun. A traffic sign. ¹
4. Noun. A meaningful gesture. ¹
5. Noun. Any of several specialized non-alphabetic symbols. ¹
6. Noun. (astrology) An astrological sign. ¹
7. Noun. (mathematics) Positive or negative polarity. ¹
8. Noun. 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. ¹
9. Noun. sign language in general ¹
10. Noun. An omen. ¹
11. Noun. (medicine) A property of the body that indicates a disease and, unlike a symptom, is unlikely to be noticed by the patient. ¹
12. Verb. (transitive) To write one's signature on (a document), thus showing authorship. ¹
13. Verb. (transitive) To give legal consent by writing one's signature. ¹
14. Verb. (transitive) To persuade to sign a contract. ¹
15. Verb. (intransitive) To write one's signature somewhere. ¹
16. Verb. (intransitive) (colloquial) To give autographs. ¹
17. Verb. (intransitive) To communicate using sign language. ¹
18. Verb. (transitive) To communicate using (sign langauge). ¹
¹ Source: wiktionary.com
Definition of Sign
1. to write one's name on [v -ED, -ING, -S]
Medical Definition of Sign