1
through
preposition
- into one side and out the other side of (something)
- from one side or end to another side or end of (something)
- —used to describe movement within a place or an area of land, air, etc.
2
through
adverb
- from one side or end to the other
- over the whole distance
- from the beginning to the end
3
through
adjective
- having reached the end of an activity, job, etc. : finished —often + with
- no longer in a romantic relationship —often + with
- no longer able to continue in a role, activity, etc.