unquestionable

Definitions

Not open to doubt or dispute; indisputable.

Beyond any possibility of question or challenge; certain.

Examples

The team's dedication to the project was unquestionable throughout the entire development process.

It is an unquestionable fact that regular exercise improves both physical and mental health.

Synonyms

indisputable certain undeniable irrefutable absolute definite incontestable

Antonyms

questionable doubtful uncertain debatable dubious disputable ambiguous