thorough

Exhaustively complete.

Painstakingly accurate or careful.

Absolute; utter.

Through. See through, a later form of thorough, now the exclusive form as a preposition and adverb.

Through: as, thoroughgoing. See through, adverb

Going through; through, in a literal sense: a form now occurring only in dialectal use or in certain phrases and compounds. See through, adjective

Going through, as to the end or bottom of anything; thoroughgoing.

Leaving nothing undone; slighting nothing; not superficial.

Fully executed; having no deficiencies; hence, complete in all respects; unqualified; perfect.