Synonyms|87Antonyms|3|Broader|0Narrower|0Related|5

72 entries under adjective topic. ×

1
off top of head(expression, idiom, adverb, informal)
1
offhand(adverb, free, casual, unrehearsed)
1
on-the-spot(free, informal, casual, snap)
1
on impulse(expression, free, informal, casual)
1
snap(free, informal, casual, unrehearsed)
1
spontaneous(free, informal, snap, impromptu)
1
spur-of-the-moment(free, informal, casual, impromptu)
1
spur of the moment(expression, idiom, adverb, impulsive)
1
tossed off(expression, free, informal, casual)
1
tossed out(expression, free, informal, casual)
1
unanticipated(violent, fast, quick, subitaneous)
1
unpremeditated(free, informal, casual, impromptu)
1
unprepared(free, informal, snap, impromptu)
1
unrehearsed(adverb, free, informal, snap)
1
unstudied(free, informal, casual, impromptu)
1
winging it(free, informal, casual, snap)
1
without preparation(expression, adverb, impromptu, extemporaneous)
1
without warning(expression, violent, fast, quick)
0
abrupt(violent, fast, quick)
0
ad-lib(adverb, offhand, impromptu, extemporaneous)
For more, visit Off_the_top_of_head on Power Thesaurus
15 years ago|306 views|share |citing 
APASmart Define. (2011). off the top of head thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/off_the_top_of_head/thesaurus/synonyms
ChicagoSmart Define. 2011. "off the top of head thesaurus" https://smartdefine.org/off_the_top_of_head/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2011, off the top of head thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/off_the_top_of_head/thesaurus/synonyms>.
MLASmart Define. "off the top of head thesaurus" 23 May 2011. Web. 27 September 2026. <https://smartdefine.org/off_the_top_of_head/thesaurus/synonyms>