1. not completed or fulfilled; not brought to completion
Usage: formal
2. of a marriage: not made complete by sexual intercourse
Usage: legal; formal

Examples

• The business deal remained unconsummated due to disagreements over terms.
• Their unconsummated marriage was annulled by the court.
• The merger talks ended with an unconsummated agreement.
• He filed for annulment, claiming the marriage was unconsummated.
• The unconsummated sale left both parties disappointed.
• Legal grounds for annulment include an unconsummated union.