unclasp
Word family
- unclaspedadjectiveC1
- unclaspingadjectiveC1
- claspverbB2
- claspnounB2
- claspedadjectiveB2
Synonym discussion
Sense: verb/1
All four words describe opening a fastener, but each applies to a different type. Unclasp is specific to jewellery and small accessories with a hook-and-eye or spring-ring mechanism — you unclasp a necklace or a bracelet. Unfasten is the broadest term: you can unfasten a seatbelt, a coat, a gate, or a piece of luggage. Undo is common in everyday speech and works for buttons, zips, laces, and knots — 'undo your shoelaces' sounds natural, while 'unclasp your shoelaces' does not. Unbuckle is limited to belt-style buckles found on watches, sandals, and backpacks. Choosing the right word depends on the fastener type: use unclasp for jewellery, unbuckle for straps with a buckle, undo for buttons and laces, and unfasten for almost anything else.
Common collocations
Etymology
Unclasp was formed in English by adding the prefix un- (meaning 'reverse of' or 'remove') to the verb clasp, which comes from Middle English claspe meaning 'a fastening or hook'. The word clasp itself may trace back to Old English clyppan ('to embrace or hold tightly'). The sense of releasing a grip dates from the 16th century, and the more literal sense of unfastening a clasp mechanism appeared around the 18th century.
First known use
1530
1530, in the meaning defined at transitive sense 1