groundless

[ ground-lis ]

adjective

1. without rational basis:

   groundless fears.

   Synonyms: unjustified, idle, unfounded, baseless

groundless

/ ˈɡraʊndlɪs /

adjective

1. without reason or justification

   his suspicions were groundless

Derived Forms

• ˈgroundlessness, noun
• ˈgroundlessly, adverb

Other Words From

• groundless·ly adverb
• groundless·ness noun

Word History and Origins

Origin of groundless¹

before 900; Middle English: bottomless, unfathomable; Old English grundlēas. See ground ¹, -less

Example Sentences

Ms Nemtsova calls the student’s claims “groundless and manipulative” and he admits he has no actual evidence.

From BBC

Chinese state media has called this accusation "groundless".

From BBC

Back then, it was called McCarthyism, after the Wisconsin Republican senator who wielded groundless accusations as recklessly as Trump.

From Los Angeles Times

Cyprus government spokesman Konstantinos Letymbiotis repeated that any suggestion that Cyprus – either through its infrastructure or territory – would be involved in any military operation in Lebanon is “totally groundless.”

From Seattle Times

Zverev's lawyers said the penalty order issued in October is "therefore now groundless".

From BBC

Related Words

• baseless
• false
• flimsy
• gratuitous
• illogical
• illusory
• unfounded
• unjustified
• unsupported
• unwarranted