(1):

(a.) Tacitly comprised; fairly to be understood, though not expressed in words; implied; as, an implicit contract or agreement.

(2):

(a.) Infolded; entangled; complicated; involved.

(3):

(a.) Resting on another; trusting in the word or authority of another, without doubt or reserve; unquestioning; complete; as, implicit confidence; implicit obedience.