specious

Fetched 2026-10-31 (live).

Synonyms: spacious, speciosus, spurious, serious, precious, scious, species, spectrous, opacious, pectous, stocious

Antonyms: spacious, speciosus, spurious, serious, precious, scious, species, spectrous, opacious, pectous, stocious

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Seemingly well-reasoned, plausible or true, but actually fallacious.
   • This idea that we must see through what we have started is specious, however good it may sound.
2. Employing fallacious but deceptively plausible arguments; deceitful.
3. Having an attractive appearance intended to generate a favorable response; deceptively attractive.
4. Beautiful, pleasing to look at.

Adjective

1. Alternative form of speciose (“rich in species”).

Source: Wiktionary · CC BY-SA 3.0 (Wiktionary) · cached copy, not a rewrite.