■ pronoun
1》 an unspecified or unknown thing.
2》 an unspecified or unknown amount or degree.
■ adverb
1》 informal used for emphasis with a following adjective: my back hurts ~ terrible.
2》 archaic or dialect somewhat.
Phrases
quite (or really ) ~ informal ~ impressive or notable.
~ else informal an exceptional person or thing.
~ of to some degree.
thirty-~ ( forty-~ , etc.) informal an unspecified age between thirty and forty (forty and fifty, etc.).