Meanings

1. expression, particleindicates word or phrase being defined
2. expression, particleused for quoting (thoughts, speech, etc.)indicates contrast or adds emphasis to a negative statement
3. expression, particlewithmore emphatic than と
4. expression, particle(not) as much as; (not) so much aswith neg. verb
5. expression, particlethe fact that; to think that; such a thing asindicates surprise, disbelief, anger, etc.; sometimes at sentence end

Examples

• 恋とせきとは隠せない。

  Love and cough cannot be hidden.

• 友人とは会っていない。

  I haven't met friends.

• 姪とは兄弟の娘を言う。

  A niece is a daughter of one's brother or sister.

Sentences from Tatoeba (CC BY 2.0 FR).