1
sanguine(adjective, strong, easy, solid, certain)
1
sealed(adjective, set, solid, certain, sure)
1
self-assured(adjective, strong, easy, solid, certain)
1
self-confident(adjective, strong, easy, solid, certain)
1
sewed up(verb, expression, adjective, solid, certain)
1
shoo-in(adjective, strong, easy, solid, certain)
1
simple(adjective, clear, easy, plain, straightforward)
1
solid(adjective, strong, certain, definite, sure)
1
specific(adjective, correct, precise, explicit, decisive)
1
stable(adjective, strong, certain, still, definite)
1
stagnant(adjective, still, fixed, motionless, stationary)
1
stated
1
static(adjective, still, fixed, motionless, stationary)
1
stationary(adjective, moving, still, fixed, motionless)
1
steadfast(adjective, strong, easy, solid, certain)
1
stock-still(adjective, still, fixed, motionless, stationary)
1
stolid(adjective, still, fixed, motionless, stationary)
1
straight out(expression, adjective, last, precise, decisive)
1
sure(adjective, strong, easy, solid, certain)
1
sure thing(expression, adjective, strong, easy, solid)
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HarvardSmart Define 2015, nailed down thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nailed_down/thesaurus/synonyms>.
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