adjective
1.
Synonyms: thin 2, attenuate, attenuated, rare, rarefied, subtile, subtle
2.
Synonyms: thin 1, attenuate, reedy, slender, slight, slim, squinny, stalky, twiggy
Related Word: aerial, airy, ethereal, fine
Contrasted words: abundant
Antonyms: dense
3.
having little substance or strength and usually not firmly based
only a tenuous link in the chain of evidence
Synonyms: feeble, insubstantial, unsubstantial; compare implausible
Related Word: flimsy, weak; insignificant
Contrasted words: significant, sound, strong
Antonyms: substantial