6
past(adjective, hard, split, quit, odd)
6
perfect(adjective, complete, total, big, limited)
6
quiet(adjective, calm, dull, flat, slow)
6
soporific(adjective, flat, stupid, ordinary, dry)
6
suddenly
6
thorough(adjective, complete, total, big, limited)
6
unconcerned(adjective, cool, cold, unfriendly, aloof)
6
uninterested(adjective, cold, unfeeling, apathy, numb)
6
unproductive(dull, bleak, late, barren, behind)
6
unqualified(adjective, complete, total, big, limited)
6
weak(adjective, dull, beat, hard, boring)
6
wearisome(adjective, dull, flat, stupid, tedious)
6
worn-out(adjective, health, beat, hard, weak)
5
all-out(adjective, big, limited)
5
aloof(adjective, cool, cold, unfriendly, distant)
5
anesthetized(adjective, cold, indifferent, unfeeling, senseless)
5
antique(adjective, odd, out, old, primitive)
5
breathless
5
deadly(adjective, quiet, dry, boring, tedious)
5
die
10 years ago|42k views|share |citing 
APASmart Define. (2016). dead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dead/thesaurus/synonyms
ChicagoSmart Define. 2016. "dead thesaurus" https://smartdefine.org/dead/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, dead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dead/thesaurus/synonyms>.
MLASmart Define. "dead thesaurus" 18 March 2016. Web. 22 September 2026. <https://smartdefine.org/dead/thesaurus/synonyms>