1. an error or blunder in action, opinion, or judgment
2. a misconception or misunderstanding
3. (trans.) to misunderstand; misinterpret
4. (trans.) followed by “for” . to take (for), interpret (as), or confuse (with)
5. (trans.) to choose badly or incorrectly
6. (intr.) to make a mistake in action, opinion, judgment, etc.