1with object Close or do up securely.‘the tunic was fastened with a row of gilt buttons’
bolt, lock, secure, make secure, make fast, chain, sealbuckle, join, do up, connect, couple, close, unite, linkbecome closed, close, do upView synonyms
- ‘he fastened the door behind him’
- 1.1no object, with adverbial Be closed or done up in a particular manner.
- ‘a blue nightie that fastens down the back’
- 1.2with object and adverbial Fix or hold in place.‘she fastened her locket round her neck’
attach, fix, affix, clip, pin, tackView synonyms
- ‘her chestnut hair was fastened in a knot’
2fasten on/uponno object Single out (someone or something) and concentrate on them or it obsessively.
single out, concentrate on, focus on, select, pick out, fix on, seize onView synonyms
- ‘the critics fastened upon two sections of the report’
- 2.1fasten something on/uponwith object Direct one's eyes, thoughts, etc. intently at.‘his gaze was fastened on his daughter’
focus, fix, be riveted, concentrate, zero in, zoom in, be brought to bearsingle out, concentrate on, focus on, select, pick out, fix on, seize onView synonyms
- ‘his eyes seemed to fasten on her’
- fasten off
fasten something off, fasten off somethingSecure the end of a thread with stitches or a knot.
- ‘work the stitch and fasten off the thread’
Old English fæstnian ‘make sure’, also ‘immobilize’, of West Germanic origin; related to fast.