/ Dictionary / Index F fasten: Meaning and Definition of Find definitions for: fas•ten Pronunciation: (fas'un, fä'sun), [key] — v.t. to attach firmly or securely in place; fix securely to something else. to make secure, as an article of dress with buttons, clasps, etc., or a door with a lock, bolt, etc. to enclose securely, as a person or an animal (usually fol. by in): to fasten a monkey in a cage. to attach, associate, or connect: to fasten a nickname on someone. to direct (the eyes, thoughts, etc.) intently: to fasten one's eyes on a speaker. —v.i. to become fast, fixed, or firm. to close firmly or securely; lock: This clasp won't fasten. to take a firm hold; seize (usually fol. by on or upon): to fasten on an idea. to focus attention; concentrate (usually fol. by on or upon): His gaze fastened on the jewels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fasten (Thesaurus) fast day fastener Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language