Synonyms|913Antonyms|179|Broader|11Narrower|5Related|734
5
doubtfully(adverb, possibly)
4
suspiciously
3
about
2
uncertainly
1
cooperatively
1
corporately
1
could be
1
covering
1
croakily
1
curiously
1
curtly
1
cynically
1
debatably
1
deceptively
1
in a way
1
no
0
possibly
0
abstractedly
0
conceivably
0
dubiously
<12345…9>
For more, visit Certainly on Power Thesaurus
10 years ago|1.5k views|share |citing 
APASmart Define. (2016). certainly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/certainly/thesaurus/antonyms
ChicagoSmart Define. 2016. "certainly thesaurus" https://smartdefine.org/certainly/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, certainly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/certainly/thesaurus/antonyms>.
MLASmart Define. "certainly thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/certainly/thesaurus/antonyms>