Definition of groundless in English:

groundless

Syllabification: ground·less
Pronunciation: /ˈɡroun(d)ləs
 
/

adjective

Not based on any good reason: your fears are quite groundless
More example sentences
  • And, to cap it all, after berating the press for running groundless, unsourced rumours, you end on one yourself.
  • In both cases, the fear was neither groundless nor unreasonable.
  • And he said he would not be discouraged by such groundless slander and unreasonable allegations and would ignore them.
Synonyms
baseless, without basis, without foundation, ill-founded, unfounded, unsupported, uncorroborated, unproven, empty, idle, unsubstantiated, unwarranted, unjustified, unjustifiable, without cause, without reason, without justification, unreasonable, irrational, illogical, misguided

Origin

Old English grundlēas (see ground1, -less).

Derivatives

groundlessly

adverb
More example sentences
  • If your name was randomly, groundlessly and wrongly linked with that of your party's Presidential front-runner, wouldn't you quickly put the rumors to rest with an unqualified denial?
  • But once past that grey-scale headstone, we get to the serious-minded editorial note of introduction, which only later, in the context of what is to come, reveals itself for the groundlessly self-important mission statement it is.
  • The film is so airless, so groundlessly sure of itself, that having a good time is out of the question.

groundlessness

noun
More example sentences
  • From time to time, we realize the groundlessness of our being and are then prone to ontological anxiety.
  • The place of the poem is the place of our homelessness, our groundlessness.
  • The main problem for him was how to reconcile two conflicting things: on the one hand, allegiance to profoundly and passionately held moral convictions, and, on the other hand, the apparent groundlessness of moral judgement.

Definition of groundless in:

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Pronunciation: ˈflipənt
adjective
not showing a serious or respectful attitude