in at one end, side, or surface and out at the other:to pass through a tunnel; We drove through Denver without stopping. Sun came through the window.
past; beyond:to go through a stop sign without stopping.
from one to the other of; between or among the individual members or parts of:to swing through the trees; This book has passed through many hands.
over the surface of, by way of, or within the limits or medium of:to travel through a country; to fly through the air.
during the whole period of; throughout:They worked through the night.
having reached the end of; done with:to be through one's work.
to and including:from 1900 through 1950.
by the means or instrumentality of; by the way or agency of:It was through him they found out.
by reason of or in consequence of:to run away through fear.
in at the first step of a process, treatment, or method of handling, passing through subsequent steps or stages in order, and finished, accepted, or out of the last step or stage:The body of a car passes through 147 stages on the production line. The new tax bill finally got through Congress.
in at one end, side, or surface and out at the other:to push a needle through; just passing through.
all the way; along the whole distance:This train goes through to Boston.
throughout:soaking wet through.
from the beginning to the end:to read a letter through.
to the end:to carry a matter through.
to a favorable or successful conclusion:He barely managed to pull through.
through and through:
through the whole extent of; thoroughly:cold through and through.
from beginning to end; in all respects:an aristocrat through and through.
Pronounshaving completed an action, process, etc.; finished:Please be still until I'm through. When will you be through with school?
at the end of all relations or dealings:My sister insists she's through with selfish friends.
passing or extending from one end, side, or surface to the other.
traveling or moving to a destination without changing of trains, planes, etc.:a through flight.
(of a road, route, way, course, etc., or of a ticket, routing order, etc.) admitting continuous or direct passage; having no interruption, obstruction, or hindrance:a through highway; through ticket.
Civil Engineering(of a bridge truss) having a deck or decks within the depth of the structure. Cf.deck (def. 21).
of no further use or value; washed-up:Critics say he's through as a writer.
Etymology:bef. 900; Middle English (preposition and adverb, adverbial), metathetic variant of thourgh, Old English thurh, cognate with German durch; akin to Old English therh, Gothic thairh through, Old High German derh perforated, Old English thyrel full of holes (adjective, adjectival), hole (noun, nominal). See thirl