through (Adjective) — Having finished or arrived at completion. ex. "after the treatment, the patient is through except for follow-up" ex. "almost through with his studies"
through (Adjective) — (of a route or journey etc.) continuing without requiring stops or changes. ex. "a through street" ex. "a through bus" ex. "through traffic"
through (Adverb) — From beginning to end. ex. "read this book through"
through (Adverb) — Over the whole distance. ex. "this bus goes through to New York"
through (Adverb) — To completion. ex. "think this through very carefully!"
through (Adverb) — In diameter. ex. "this cylinder measures 15 inches through"
through (Adverb) — Throughout the entire extent. ex. "got soaked through in the rain" ex. "I'm frozen through" ex. "a letter shot through with the writer's personality" ex. "knew him through and through" ex. "boards rotten through and through"
through (Preposition) — From one side of an opening or location to the other. ex. "the train went through the tunnel"
through (Preposition) — By means of; with aid of; through the act or agency of.
through (Preposition) — By way of. ex. "diversion through the sideroad"