letter (noun) letter: symbol of an alphabet
Sinonime: absolute, all out,
certain, clear-cut,
definite,
definitive,
direct, downright,
emphatic,
express, flat out,
forthright, no holds barred, no strings attached,
positive,
specific, straight out,
sure,
ultimate,
unambiguous,
unequivocal,
unmitigated, unqualified, unreserved
Antonime: ambiguous, conditional,
equivocal,
implied,
qualified,
questionable,
tentative, uncategorical,
vague