- 1 [transitive, intransitive] to close or join together the two parts of something; to become closed or joined together synonym do up fasten something Fasten your seatbelts, please. fasten something up He fastened up his coat and hurried out. fasten (up) The dress fastens at the back. opposite unfasten
- 2 [transitive, intransitive] fasten (something) to close something firmly so that it will not open; to be closed in this way Fasten the gates securely so that they do not blow open. The window wouldn't fasten. opposite unfasten
- 3 [transitive] fasten something + adv./prep. to fix or place something in a particular position, so that it will not move He fastened back the shutters.
- 4 [transitive] fasten A to B | fasten A and B (together) to attach or tie one thing to another thing He fastened the papers together with a paper clip.
- 5[transitive, intransitive] if you fasten your arms around somebody, your teeth into something, etc., or if your arms, teeth, etc. fasten around, into, etc. somebody/something, you hold the person/thing firmly with your arms, etc. fasten something + adv./prep. The dog fastened its teeth in his leg. + adv./prep. His hand fastened on her arm.
- 6[transitive, intransitive] fasten (something) (on somebody/something) if you fasten your eyes on somebody/something or your eyes fasten on somebody/something, you look at them for a long time He fastened his gaze on her face. More Like This Silent letters gnarled, gnash, gnat, gnaw, gnome haute cuisine, heir, (NAmE herb), honour, hors d’oeuvre, hour knack, knee, kneel, knife, knight, knit, knob, knock, knot, know, knuckle psalm, psephology, psychic, ptarmigan, pterodactyl, psychology wrangle, wrap, wreath, wreck, wrench, wrestle, wriggle, wring, write, wrong bomb, climb, crumb, doubt, lamb, limb ascent, fascinate, muscle, scene, scissors height, right, sleigh, weight align, campaign, design, foreign, malign, reign, unfeigned balmy, calm, calf, half, yolk autumn, column, condemn, damn, hymn, solemn bristle, fasten, listen, mortgage, soften, thistle, wrestle biscuit, build, circuit, disguise, guilty, league, rogue, vague yacht answer, sword, twoSee worksheet. Word Origin Old English fæstnian ‘make sure’, also ‘immobilize’, of West Germanic origin; related to fast ‘quick’.Extra examples She fastened the rope to a tree. We fastened all the windows securely. Fasten your seat belts please! He fastened up his coat. She opened the window and fastened back the shutters. Use the special kit provided to fasten the child seat in the car. Phrasal Verbsfasten on somebody
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BrE BrE//ˈfɑːsn//; NAmE NAmE//ˈfæsn//Verb Forms present simple I / you / we / they fasten
BrE BrE//ˈfɑːsn//; NAmE NAmE//ˈfæsn//he / she / it fastens
BrE BrE//ˈfɑːsnz//; NAmE NAmE//ˈfæsnz//past simple fastened
BrE BrE//ˈfɑːsnd//; NAmE NAmE//ˈfæsnd//past participle fastened
BrE BrE//ˈfɑːsnd//; NAmE NAmE//ˈfæsnd//-ing form fastening
BrE BrE//ˈfɑːsnɪŋ//; NAmE NAmE//ˈfæsnɪŋ//