thumb (th m)n. 1. a. The short thick digit of the human hand, next to the index finger and opposable to each of the other four digits. b. A corresponding digit in other animals, especially primates. Also called pollex. 2. The part of a glove or mitten that covers the thumb. 3. Architecture An ovolo. v. thumbed, thumb·ing, thumbs v.tr. 1. To scan (written matter) by turning over pages with or as if with the thumb. 2. To disarrange, soil, or wear by careless or frequent handling. 3. Informal To solicit (a ride) from a passing vehicle by signaling with the thumb. v.intr. Idioms: 1. To scan written matter by turning over pages with or as if with the thumb: thumbed through the latest issue of the magazine. 2. Informal To hitchhike. all thumbs Lacking physical coordination, skill, or grace; clumsy. thumb (one's) nose To express scorn or ridicule by or as if by placing the thumb on the nose and wiggling the fingers. thumbs down An expression of rejection, refusal, or disapproval. thumbs up An expression of approval, success, or hope. under (one's) thumb Under the control of someone; subordinate to. [Middle English, from Old English th  ma; see teu - in Indo-European roots.] |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. | thumbed - (of pages) worn or soiled by thumb and fingers by frequent handling or turning; "well-thumbed pages of the dictionary" worn - affected by wear; damaged by long use; "worn threads on the screw"; "a worn suit"; "the worn pockets on the jacket" |
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