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worm gear a mechanism consisting of a shaft with a helical thread that meshes with a toothed wheel, usu. set at right angles to each other. [2 definitions]
wormhole a hole made by, or as by, a burrowing worm or insect.
worm's-eye view a view from very close range. [2 definitions]
worm wheel the gear wheel in a worm gear.
wormwood any of several related European plants that yield a bitter, aromatic oil, used as a flavoring in certain wines and liqueurs. [2 definitions]
wormy containing or full of worms. [3 definitions]
worn past participle of wear. [4 definitions]
worn-out no longer usable because of wear. [3 definitions]
worried feeling trouble or anxiety about something that might happen.
worriment (informal) the act, state, or cause of anxiety; worry.
worrisome causing worry; disturbing. [2 definitions]
worry to feel anxious or troubled; fret. [9 definitions]
worry beads a string of smooth beads that are fingered or stroked as a means of reducing nervousness or anxiety, used esp. in the Near East.
worrywart one who worries too much or needlessly.
worse comp. of bad and ill. [7 definitions]
worsen to make or become worse.
worship reverent devotion, honor, and love shown to a deity or to an object considered sacred. [6 definitions]
worshipful given to or characteristic of worship, reverent.
worshipless combined form of worship.
worst superl. of bad and ill. [7 definitions]
worst-case of or describing the worst possible case, situation, result, or the like.