Meaning of ALTHOUGH in English

ALTHOUGH

(also US informal altho ) / ɔːlˈðəʊ; NAmE ɔːlˈðoʊ/ conjunction

1.

used for introducing a statement that makes the main statement in a sentence seem surprising

SYN though :

Although the sun was shining it wasn't very warm.

Although small, the kitchen is well designed.

2.

used to mean 'but' or 'however' when you are commenting on a statement :

I felt he was wrong, although I didn't say so at the time.

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WHICH WORD

although / even though / though

You can use these words to show contrast between two clauses or two sentences. Though is used more in spoken than in written English. You can use although , even though and though at the beginning of a sentence or clause that has a verb. Notice where the commas go:

Although/Even though/Though everyone played well, we lost the game.

We lost the game, although / even though / though everyone played well.

You cannot use even on its own at the beginning of a sentence or clause instead of although , even though or though : Even everyone played well, we lost the game.

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WORD ORIGIN

Middle English : from the adverb all + though .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.