but (EN)
conjunction, preposition, adverb, noun

conjunction “but”

but
  1. used to introduce a statement that contrasts with or seems to contradict something that has been said previously
    The cake was delicious but too sweet for my taste.
  2. on the contrary
    I didn't see a cat but a dog in the alley.
  3. used to express disagreement with what someone has said
    But that's exactly what you implied yesterday!
  4. except, introducing a subordinate clause
    He did nothing but complain about the weather.

preposition “but”

but
  1. used to indicate all except the one or ones mentioned
    Nobody but the chef knows the secret recipe.

adverb “but”

but
  1. merely, only
    He was but a child when he mastered the piano.

noun “but”

sg. but, pl. buts
  1. a reason given for not agreeing or being satisfied with something
    She accepted the proposal with no buts about it.