Synonyms|159Antonyms|22|Broader|0Narrower|0Related|5

144 entries under adjective topic. ×

1
unpremediated(simple, natural, casual, impulsive)
1
unprompted(simple, natural, casual, impulsive)
1
unsophisticated(simple, natural, casual, impulsive)
1
unstudied(simple, natural, casual, impulsive)
1
up front(expression, simple, natural, casual)
1
voluntary(simple, natural, casual, impulsive)
1
willing(simple, natural, casual, impulsive)
0
abrupt(violent, fast, quick)
0
ad hoc(expression, informal, snap, unrehearsed)
0
at first glance(expression, idiom, informal, snap)
0
brash(foolish, thoughtless, unwise)
0
breakneck(violent, fast, quick)
0
brief(violent, fast, quick)
0
caught off guard(expression, idiom, vulnerable, unaware)
0
confused(foolish, thoughtless, unwise)
0
expedient(informal, snap, unrehearsed)
0
extemporary(throwaway, snapper, off-the-cuff, on-the-spot)
0
fast(violent, quick)
0
foolhardy(foolish, thoughtless, unwise)
0
foolish(thoughtless, unwise)
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APASmart Define. (2011). off top of head thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/off_top_of_head/thesaurus/synonyms
ChicagoSmart Define. 2011. "off top of head thesaurus" https://smartdefine.org/off_top_of_head/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2011, off top of head thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/off_top_of_head/thesaurus/synonyms>.
MLASmart Define. "off top of head thesaurus" 24 May 2011. Web. 26 September 2026. <https://smartdefine.org/off_top_of_head/thesaurus/synonyms>