| 1. | a token; indication. |
| 2. | any object, action, event, pattern, etc., that conveys a meaning. |
| 3. | a conventional or arbitrary mark, figure, or symbol used as an abbreviation for the word or words it represents. |
| 4. | 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. |
| 5. | a notice, bearing a name, direction, warning, or advertisement, that is displayed or posted for public view: a traffic sign; a store sign. |
| 6. | a trace; vestige: There wasn't a sign of them. |
| 7. | an arbitrary or conventional symbol used in musical notation to indicate tonality, tempo, etc. |
| 8. | Medicine/Medical. the objective indications of a disease. |
| 9. | any meaningful gestural unit belonging to a sign language. |
| 10. | an omen; portent: a sign of approaching decadence. |
| 11. | sign of the zodiac. |
| 12. | sign language (def. 1). |
| 13. | Usually, signs. traces, as footprints, of a wild animal. |
| 14. | Mathematics.
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| 15. | to affix a signature to: to sign a letter. |
| 16. | to write as a signature: to sign one's name. |
| 17. | to engage by written agreement: to sign a new player. |
| 18. | to mark with a sign, esp. the sign of the cross. |
| 19. | to communicate by means of a sign; signal: He signed his wish to leave. |
| 20. | to convey (a message) in a sign language. |
| 21. | Obsolete. to direct or appoint by a sign. |
| 22. | to write one's signature, as a token of agreement, obligation, receipt, etc.: to sign for a package. |
| 23. | to make a sign or signal: He signed to her to go away. |
| 24. | to employ a sign language for communication. |
| 25. | to obligate oneself by signature: He signed with another team for the next season. |
| 26. | sign away or over, to assign or dispose of by affixing one's signature to a document: She signed over her fortune to the church. |
| 27. | sign in (or out) to record or authorize one's arrival (or departure) by signing a register. |
| 28. | sign off,
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| 29. | sign on,
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| 30. | 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. |

| 1. | Also called sign. any of several visual-gestural systems of communication, esp. employing manual gestures, as used among deaf people. |
| 2. | any means of communication, as between speakers of different languages, using gestures. |

sign (sīn) n.
v. tr.
sign inTo record the arrival of another or oneself by signing a register. sign off
sign upTo agree to be a participant or recipient by signing one's name; enlist: signed up for military service; signing up for a pottery course. [Middle English signe, from Old French, from Latin signum; see sekw-1 in Indo-European roots.] sign'er n. Synonyms: These nouns denote an outward indication of the existence or presence of something not immediately evident. Sign is the most general: "The exile of Gaveston was the sign of the barons' triumph" (John R. Green). |
sign (sīn)
n.
See symptom.
Something that suggests the presence or existence of a fact, condition, or quality.
A trace or vestige, as of disease or life.
sign (sīn) Pronunciation Key
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