conjunction

but

but, however, except

He is smart, but lazy.

He is smart, but lazy.

Everyone but John went to the party.

Everyone but John went to the party.

((clause 1)), but ((clause 2)) to connect two contrasting ideas He is smart, but lazy.

((all/everyone/etc.)) but ((sb./sth.)) meaning 'except' Everyone but John went.

Synonyms: however, yet (conjunctions); except, besides (prepositions).

From Old English 'butan', meaning 'outside, without, except'.

Think of it as a turning point in a sentence, signalling a contrast or exception.

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