nugatory

Definitions

Of no value or importance; trifling.

Useless or futile; invalid.

Examples

The new regulations proved to be nugatory because they lacked any mechanism for enforcement.

His efforts to change the company's direction were ultimately nugatory, as the board had already decided on a merger.

Synonyms

worthless futile inconsequential trifling invalid useless ineffectual

Antonyms

significant meaningful effective valuable consequential essential important