American English

Definition of unguarded adjective from the Oxford Advanced American Dictionary



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  1. 1not protected or watched The museum was unguarded at night. an unguarded fire (= that has nothing to stop people from burning themselves on it)
  2. 2(of a remark, look, etc.) said or done carelessly, at a time when you are not thinking about the effects of your words or are not paying attention an unguarded remark It was something I'd let out in an unguarded moment. compare guarded
See the Oxford Advanced Learner's Dictionary entry: unguarded