wide open adjective6 •Completely open.The front door was wide open. •Vulnerable or unprotected.He left himself wide open to criticism. •Unsettled or unresolved.The fate of the loan sailor is still wide open. •Without the presence of opponents nearby.He was wide open and scored easily after receiving the pass. •Having no laws or law enforcement.It was a wide open frontier town before the railroad came. •Of the situation at the beginning of trading when there is a large spread between bids and asking prices. formsmore wide open · wider open · most wide open · widest open