unfounded (C1)

adjective

Pronunciation: /ʌnˈfaʊndɪd/

Definition

Lacking evidence or a factual basis to support a claim or belief.

Examples

• The committee dismissed the allegations against the director as entirely unfounded.

• He had an unfounded fear that the bridge would collapse under the weight of his car.

• Scientific studies have proven that the popular myth about using only ten percent of our brains is unfounded.

Synonyms of unfounded

Words with a similar meaning to unfounded:

• baseless
• groundless
• unsubstantiated
• gratuitous

Antonyms of unfounded

Words with the opposite meaning to unfounded:

• well-founded
• proven

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