deep-sixes (verb) discard: get rid of
Sinonime: ambiguous, borderline, chancy, clouded,
contingent, debatable, dicey, disreputable, doubtable,
dubious, dubitable,
equivocal, far-fetched, fat chance, fishy,
hazardous,
hazy, iffy, impugnable, inconclusive,
indecisive,
indefinite,
indeterminate,
indistinct,
insecure, long shot,
obscure, on thin ice,
open,
pending,
precarious,
problematic,
shady,
sneaky*,
speculative,
suspect,
suspicious, touch-and-go,
touchy,
uncertain, unconfirmed,
undecided,
uneasy,
unsettled,
unstable,
unsure, up for grabs
Antonime: certain,
clear,
confirmed,
decided,
definite,
exact, resolved,
settled, unquestionable