68 entries under certain topic. ×

11
certainty(noun, agreement, belief, true)
8
cinch(noun, adjective, strong, gain, solid)
7
foregone conclusion(noun, expression, belief, trust)
5
shoo-in(noun, adjective, support, strong, gain)
4
sure bet(noun, expression, gain, belief, store)
3
belief(noun, store, trust, confidence)
2
lock(noun, support, agreement, informal, belief)
2
open-and-shut case
2
sure(adjective, adverb, clear, strong, sound)
2
surety(noun, agreement, belief, store)
1
able(adjective, strong, easy, solid)
1
absolute(adjective, clear, strong, easy, firm)
1
actual(adjective, sound, honest, true)
1
all sewn up(noun, expression, idiom, belief, store)
1
assured(adjective, strong, easy, firm, solid)
1
at ease(expression, adjective, strong, easy)
1
balanced(adjective, strong, easy, solid)
1
beyond doubt(expression, adjective, good, sound, fine)
1
carefree(adjective, strong, easy, definite)
1
cert(noun, belief, trust, confidence)
10 years ago|3.7k views|share |citing 
APASmart Define. (2016). sure thing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sure_thing/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thing thesaurus" https://smartdefine.org/sure_thing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, sure thing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sure_thing/thesaurus/synonyms>.
MLASmart Define. "sure thing thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/sure_thing/thesaurus/synonyms>