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groundless

ground·less

groundless

pronunciation:
graUnd lihs
features:
Word Parts
part of speech: adjective
definition: not having a logical foundation; unsubstantiated.
groundless suspicions
synonyms:
baseless, tenuous, unfounded, unsubstantial, unwarranted
antonyms:
well-founded, well-grounded
similar words:
conjectural, erroneous, faulty, hypothetical, idle, illogical, irrational, speculative
derivations: groundlessly (adv.), groundlessness (n.)
Word Parts
The word groundless contains the following part:
-less Middle English adjective-forming suffix that means without
Show wordsHide wordsMore about this word part:
The suffix -less attaches primarily to monosyllabic English nouns. However, -less is a fully productive suffix, meaning it can be added to any noun to form legitimate new words.
synonyms:
a-1, an-1
antonyms:
-ful1