SPE'CIOUS, adjective [Latin speciosus.] 1. Showy; pleasing to the view. The rest, far greater part will deem in outward rites and specious form religion satisfied. 2. Apparently right; superficially fair, just or correct' plausible; appearing well at first view; as specious reasoning; a specious argument; a specious objection; specious deeds. Temptation is of greater danger, because it is covered with the specious names of good nature, good manners, nobleness of mind, etc.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI