WordReference Random House Learner's Dictionary of American English © 2025
spe•cious /ˈspiʃəs/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- apparently true or right but actually without merit:a specious argument.
spe•cious
(spē′shəs),USA pronunciation adj.
spe′cious•ly, adv.
spe′cious•ness, n.
- apparently good or right though lacking real merit;
superficially pleasing or plausible:specious arguments. - pleasing to the eye but deceptive.
- [Obs.]pleasing to the eye;
fair.
- Latin speciōsus fair, good-looking, beautiful, equivalent. to speci(ēs) (see species) + -ōsus -ous
- Middle English 1350–1400
spe′cious•ness, n.
- 1.See corresponding entry in Unabridged See plausible.
- 2.See corresponding entry in Unabridged false, misleading.
- 1, 2.See corresponding entry in Unabridged genuine.