Unchallengeable

Synonyms of unchallengeable

• unquestionable
• irrefutable
• undisputable

Antonyms of unchallengeable

• questionable
• debatable
• challengeable

Collocations of unchallengeable

authority

Frequency: 70 %

The president's authority on the matter was unchallengeable.

power

Frequency: 65 %

The dictator's power over the country was unchallengeable.

position

Frequency: 50 %

Her position as the CEO was unchallengeable.

status

Frequency: 45 %

His status as a world-renowned scientist was unchallengeable.

dominance

Frequency: 40 %

The team's dominance in the league was unchallengeable.

Idiomatic Expressions for unchallengeable

• Phrase: unchallengeable evidence
  Meaning: refers to evidence that is indisputable or impossible to argue against
  Usage: The DNA test results provided unchallengeable evidence of the suspect's guilt.