yes
vague
equivocal, vague
antonym a+ls :D
An antonym of exact is "approximate."
specific, precise
There is no exact antonym but "unloving" is one possibility.
Yes, "definite" is an antonym for "vague." While "definite" refers to something that is clearly defined, precise, or unmistakable, "vague" describes something that is unclear, imprecise, or lacking specific details. The two terms represent opposing qualities regarding clarity and specificity.
exact
According to Roget's, there is no antonym, exact opposite, for language. If it doesn't have to be exact, you might try silence or preverbal or illiterate.
There aren't very many specific ones, but public book would be a vague one.
Disarrange is the exact antonym, however disorder and disrupt work as well.
vague ambiguous equivocal fuzzy imprecise indefinite inexact undefined general