1. producing no result or outcome; ineffective

Examples

• After hours of resultless searching, they decided to call off the hunt.
• The negotiations proved resultless, with neither side willing to compromise.
• His resultless attempts to fix the computer only made things worse.
• The detective’s resultless investigation left the case unsolved.
• Years of resultless experiments finally led to a breakthrough discovery.
• The team’s resultless efforts to score frustrated the coach.