through|out [ θru`aut ] function word ***
Throughout can be used in the following ways:
as a preposition (followed by a noun):
He remained in Paris throughout the war.
as an adverb (without a following noun):
It was a wonderful game and Johnson played brilliantly throughout.
1. ) in every part of a place:
The hotel has recently been redecorated throughout.
Pollution is a serious problem in major cities throughout the world.
2. ) during all of a period of time or an event:
House prices continued to rise throughout the 1980s.
There was a terrible scandal, but my family and friends supported me throughout.

Usage of the words and phrases in modern English. 2013.