through
//θruː//
Preposition
Moving in one side and out of the other side of (an opening, channel, or location)
The train went through the tunnel.
From beginning to end of (a period of time or process)
She worked through the night to finish the project.
By means of; by the agency or instrumentality of
I got the job through a friend.
Up to and including (a point in a sequence or process)
I read chapters 1 through 5.
Synonym
Adverb
From one end or side to the other; all the way across
The train went through the tunnel.
From beginning to end; to completion
I read the book through in one sitting.
So as to be connected by telephone
I'll put you through to the manager.
Synonym
Adjective
(of a route or journey) Continuing in time or space without requiring a change or interruption
We took a through train from London to Edinburgh.
Having no further prospects; finished
After that scandal, his political career is through.