specious

specious is an Adverb

Definition:

[1] Presenting a pleasing appearance; pleasing in form or look; showy. Some [serpents] specious and beautiful to the eye. Bp. Richardson. The rest, far greater part, Will deem in outward rites and specious forms Religion satisfied. Milton.

[2] Apparently right; superficially fair, just, or correct, but not so in reality; appearing well at first view; plausible; as, specious reasoning; a specious argument. Misled for a moment by the specious names of religion, liberty, and property. Macaulay. In consequence of their greater command of specious expression. J. Morley.