9
offhand
8
extemporaneous
7
extemporary
7
extempore
6
ad-lib
5
casual
5
impromptu
4
off-the-cuff
4
offhandedly
4
unrehearsed
3
careless
3
unceremonious
3
unprepared
2
easy
2
easygoing
2
informal
2
relaxed
1
affable
1
bohemian
1
cordial
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APASmart Define. (2015). offhanded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/offhanded/thesaurus/synonyms
ChicagoSmart Define. 2015. "offhanded thesaurus" https://smartdefine.org/offhanded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, offhanded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/offhanded/thesaurus/synonyms>.
MLASmart Define. "offhanded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/offhanded/thesaurus/synonyms>