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单词 toothless
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tooth•less  (to̅o̅thlis),USA pronunciation adj. 
  1. lacking teeth.
  2. without a serrated edge, as a saw.
  3. lacking in force or sharpness;
    dull;
    ineffectual:a toothless argument.
  • 1350–1400; Middle English; see tooth, -less
tooth less•ly, adv. 
tooth less•ness, n. 

WordReference Random House Learner's Dictionary of American English © 2024
tooth /tuθ/USA pronunciation   n. [countable], pl. teeth 
    /tiθ/USA pronunciation .
  1. Dentistryone of the hard bony parts attached in a row to each jaw, serving to bite and chew food or, esp. in animals, as weapons.
  2. any part of something that sticks out and resembles a tooth, as a part of a comb, etc.
  3. teeth, [plural] effective power, esp. to enforce something:to put teeth into the new law by increasing the penalty for disobeying it.
Idioms
  1. Idioms in the teeth of, straight into or in defiance of:The ship sailed on in the teeth of the storm.
  2. Idioms long in the tooth, elderly.
  3. Idioms set or put one's teeth on edge, to cause a feeling of irritation in one:The supervisor always sets my teeth on edge.
  4. Idioms show one's teeth, to become menacing;
    reveal one's feelings of anger or hatred.
  5. Idioms sink or get one's teeth into, [sink/get + one's + ~ + into + object] to work on (something) with enthusiasm:At last he found a project he could sink his teeth into.
  6. Idioms to the teeth, completely;
    fully;
    entirely:armed to the teeth.

toothed, adj. 
tooth•less, adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
tooth (to̅o̅th),USA pronunciation  n., pl. teeth, v., toothed  (to̅o̅tht, to̅o̅ᵺd),USA pronunciation tooth•ing 
    (to̅o̅thing, -ᵺing).USA pronunciation 

n. 
  1. (in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel.
  2. (in invertebrates) any of various similar or analogous processes occurring in the mouth or alimentary canal, or on a shell.
  3. any projection resembling or suggesting a tooth.
  4. one of the projections of a comb, rake, saw, etc.
  5. [Mach.]
    • any of the uniform projections on a gear or rack by which it drives, or is driven by, a gear, rack, or worm.
    • any of the uniform projections on a sprocket by which it drives or is driven by a chain.
  6. [Bot.]
    • any small, toothlike marginal lobe.
    • one of the toothlike divisions of the peristome of mosses.
  7. a sharp, distressing, or destructive attribute or agency.
  8. taste, relish, or liking.
  9. a surface, as on a grinding wheel or sharpening stone, slightly roughened so as to increase friction with another part.
  10. a rough surface created on a paper made for charcoal drawing, watercolor, or the like, or on canvas for oil painting.
  11. by the skin of one's teeth, barely:He got away by the skin of his teeth.
  12. cast or throw in someone's teeth, to reproach someone for (an action):History will ever throw this blunder in his teeth.
  13. cut one's teeth on, to do at the beginning of one's education, career, etc., or in one's youth:The hunter boasted of having cut his teeth on tigers.
  14. in the teeth of:
    • so as to face or confront;
      straight into or against:in the teeth of the wind.
    • in defiance of;
      in opposition to:She maintained her stand in the teeth of public opinion.
  15. long in the tooth, old;
    elderly.
  16. put teeth in or into, to establish or increase the effectiveness of:to put teeth into the law.
  17. set one's teeth, to become resolute;
    prepare for difficulty:He set his teeth and separated the combatants.
  18. set or put one's teeth on edge:
    • to induce an unpleasant sensation.
    • to repel;
      irritate:The noise of the machines sets my teeth on edge.
  19. show one's teeth, to become hostile or threatening;
    exhibit anger:Usually friendly, she suddenly began to show her teeth.
  20. to the teeth, entirely;
    fully:armed to the teeth; dressed to the teeth in furs.

v.t. 
  1. to furnish with teeth.
  2. to cut teeth upon.

v.i. 
  1. to interlock, as cogwheels.
  • bef. 900; Middle English; Old English tōth; cognate with Dutch tand, German Zahn, Old Norse tǫnn; akin to Gothic tunthus, Latin dēns, Greek odoús (Ionic odó̄n), Sanskrit dánta
tooth like′, adj. 
    • 8.See corresponding entry in Unabridged fondness, partiality, predilection.

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