Definition of just because
- Don't get nervous just because the teacher might ask you a question.
- Just because your friends do it, that doesn't mean that you should do it, too.
: having a basis in or conforming to fact or reason : reasonable
: conforming to a standard of correctness : proper
: faithful to an original
: exactly, precisely
: very recently
: by a very small margin : barely
: archaic variant of joust
: for the reason that : since
: the fact that : that
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