The meaning of THROUGH is —used as a function word to indicate movement into something at one side or point and out at another and especially the opposite side of.

To a conclusion or an accomplishment: see a matter through.

THROUGH definition: 1. from one end or side of something to the other: 2. from the beginning to the end of a period of…. Learn more.

THROUGH definition: in at one end, side, or surface and out at the other. See examples of through used in a sentence.

As an adjective, through means finished or done. As an adverb it can mean backward and forward, completely, up to and including, or all the way to the end. The preposition through means in and out of.

If something such as a feeling, attitude, or quality, happens through an area, organization, or a person's body, it happens everywhere in it or affects all of it.

from the beginning to the end: to read a letter through. to the end: to carry a matter through.

Feb 19, 2026 · (in phrases such as 'go through', 'get through' etc.) Indicating that something has been consumed or used up.

That extends or goes with little or no interruption or without change from one important or distant place to another: as, a through line of railway; a through train; a through passenger.

Definition of through preposition in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.