4
abrupt
4
unprepared
3
casual
3
cavalier
3
extemporaneous
2
by the way
2
curt
2
spontaneous
1
airy
1
contemptuous
1
easygoing
1
impromptu
1
informal
1
offhand
1
short
1
unofficial
1
whimsical
0
aspect
0
bow
0
ex tempore
<12>
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APASmart Define. (2013). off-hand thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/off-hand/thesaurus/synonyms
ChicagoSmart Define. 2013. "off-hand thesaurus" https://smartdefine.org/off-hand/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, off-hand thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/off-hand/thesaurus/synonyms>.
MLASmart Define. "off-hand thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/off-hand/thesaurus/synonyms>