lacking teeth.
without a serrated edge, as a saw.
lacking in force or sharpness; dull; ineffectual: a toothless argument.

Origin of toothless

Middle English word dating back to 1350–1400; see origin at tooth, -less
Related formstooth·less·ly, adverbtooth·less·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for toothless

flat, square, blunt, round, blunted, turned, edentate, obtuse, pointless, edgeless

Examples from the Web for toothless

Contemporary Examples of toothless

Historical Examples of toothless

  • It swung to behind his back with no more noise than the snap of a toothless jaw.


    Joseph Conrad

  • Then smiling a wide, toothless smile, she laid her finger on her lips.

  • For all the old fellow was toothless, Jimmy saw that his claws were long and sharp.

    The Tale of Jimmy Rabbit

    Arthur Scott Bailey

  • Violence amongst these toothless, tottering, trembling, feeble ones?

    Roundabout Papers

    William Makepeace Thackeray

  • Across the face, like a gash, the toothless, grinning mouth.

    The Frontier

    Maurice LeBlanc

Word Origin and History for toothless

late 14c., in literal sense, from tooth + -less. Figurative sense of "dull" is recorded from 1590s; that of "lacking enforcement powers" is first recorded 1961. Related: Toothlessly; toothlessness.

Online Etymology Dictionary, © 2010 Douglas Harper