1 [countable] [usually plural] a fact or condition that affects a situation
The circumstances surrounding the child’s death are being investigated.
The circumstances of this case are unusual.
under/in...circumstances: Cancellation under certain circumstances is covered by your travel insurance policy.
Under different circumstances she might have been able to appreciate the irony of it.
In exceptional circumstances students may take examinations at Head Office.
not under/in any circumstances (=used for emphasizing that something cannot be allowed to happen): I would never in any circumstances dream of comparing her with you.
Under no circumstances will we agree to splitting up the company.
under/considering/given the circumstances (=because the situation is difficult or unusual): It’s amazing that they did so well under the circumstances.
Synonyms and related words