44 entries under expression topic. ×

5
ad lib(adjective, free, casual, unrehearsed)
5
off the cuff(adjective, idiom, free, unrehearsed)
4
out of the blue(adjective, idiom, adverb, unprepared)
1
ad hoc(adjective, free, casual, unrehearsed)
1
break loose(adjective, simple, natural, casual)
1
by ear(free, informal, casual, unrehearsed)
1
caught off balance
1
free spirited(adjective, simple, natural, casual)
1
from the hip(adjective, idiom, simple, natural)
1
off top of head(adjective, idiom, simple, natural)
1
on impulse(free, informal, casual, unrehearsed)
1
played by ear(idiom, unqualified, unprepared, unrehearsed)
1
taken by surprise
1
toss off(free, casual, impulsive, spontaneous)
1
toss out(free, casual, impulsive, spontaneous)
1
tossed off(free, informal, casual, unprepared)
1
uncalled for(adjective, insignificant, irregular, empty)
1
up front(adjective, simple, natural, casual)
1
winging it(free, informal, casual, unrehearsed)
0
according to pleasure(idiom, informal, off-the-cuff)
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APASmart Define. (2015). unplanned thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unplanned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unplanned thesaurus" https://smartdefine.org/unplanned/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unplanned thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unplanned/thesaurus/synonyms>.
MLASmart Define. "unplanned thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unplanned/thesaurus/synonyms>