Through

preposition
1.
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.
2.
past; beyond:
to go through a stop sign without stopping.
3.
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.
4.
over the surface of, by way of, or within the limits or medium of:
to travel through a country; to fly through the air.
5.
during the whole period of; throughout:
They worked through the night.
6.
having reached the end of; done with:
to be through one’s work.
7.
to and including:
from 1900 through 1950.
8.
by the means or instrumentality of; by the way or agency of:
It was through him they found out.
Synonyms: through, with.
9.
by reason of or in consequence of:
to run away through fear.
10.
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.
adverb
11.
in at one end, side, or surface and out at the other:
to push a needle through; just passing through.
12.
all the way; along the whole distance:
This train goes through to Boston.
13.
throughout:
soaking wet through.
14.
from the beginning to the end:
to read a letter through.
15.
to the end:
to carry a matter through.
16.
to a favorable or successful conclusion:
He barely managed to pull through.
adjective
17.
having completed an action, process, etc.; finished:
Please be still until I’m through. When will you be through with school?
18.
at the end of all relations or dealings:
My sister insists she’s through with selfish friends.
19.
passing or extending from one end, side, or surface to the other:
a through wound coming left to right and out the other side.
20.
traveling or moving to a destination without changing of trains, planes, etc.:
a through flight.
21.
(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.
22.
(of a bridge truss) having a deck or decks within the depth of the structure.
Compare deck (def 16).
23.
of no further use or value; washed-up:
Critics say he’s through as a writer.
Idioms
24.
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.

preposition
1.
going in or starting at one side and coming out or stopping at the other side of: a path through the wood
2.
occupying or visiting several points scattered around in (an area)
3.
as a result of; by means of: the thieves were captured through his vigilance
4.
(mainly US) up to and including: Monday through Friday
5.
during: through the night
6.
at the end of; having (esp successfully) completed
7.
through with, having finished with (esp when dissatisfied with)
adjective
8.
(postpositive) having successfully completed some specified activity
9.
(on a telephone line) connected
10.
(postpositive) no longer able to function successfully in some specified capacity: as a journalist, you’re through
11.
(prenominal) (of a route, journey, etc) continuous or unbroken: a through train
adverb
12.
through some specified thing, place, or period of time
13.
thoroughly; completely