Webster's Revised Unabridged Dictionary · 1913

Explicit

Explicit , adjective

[Late Latin, an abbreviation of explicitus (est liber) the book (which anciently was a roll of parchment) is unfolded (and, of course, “finished”). See Explicit, a.]

A word formerly used (as finis is now) at the conclusion of a book to indicate the end.
finished

Explicit , adjective

[Latin explicitus; past participle of explicare to unfold: compare French explicite. See Explicate, Exploit.]

1.
Not implied merely, or conveyed by implication; distinctly stated; plain in language; open to the understanding; clear; not obscure or ambiguous; express; unequivocal; as, an explicit declaration. Opposite of implicit.
The language of the charter was too explicit to admit of a doubt. — Bancroft
2.
Having no disguised meaning or reservation; unreserved; outspoken; -- applied to persons; as, he was earnest and explicit in his statement.
Collocations (1)
Explicit function (Mathematics) , See under Function.