6
close up
5
clam up
5
dummy up
4
cap(verb, stop, end, cover, complete)
4
shut up
3
belt up
3
close(verb, move, stop, discharge, complete)
3
end(verb, stop, close, complete, do)
3
lock(verb, secure, bar, fasten, clasp)
3
wrap up(verb, expression, phrasal verb, stop, end)
2
bar(verb, close, secure, fasten, clasp)
2
be quiet
2
bolt(verb, close, secure, bar, fasten)
2
button(verb, close, secure, bar, fasten)
2
button down(verb, expression, phrasal verb, stop, close)
2
clean up(verb, expression, close, terminate, conclude)
2
clinch(verb, stop, close, end, cover)
2
complete(verb, stop, close, end, cover)
2
conclude(verb, move, stop, close, end)
2
cover(verb, stop, beat, complete, top)
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APASmart Define. (2015). button up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/button_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "button up thesaurus" https://smartdefine.org/button_up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, button up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/button_up/thesaurus/synonyms>.
MLASmart Define. "button up thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/button_up/thesaurus/synonyms>