Adjective

(en adjective)

Stealth]]y, furtive, [[hidden, well hidden, covert (especially movements).

* {{quote-book, year=1922, author=(Ben Travers), title=(A Cuckoo in the Nest)

, chapter=1 citation , passage=He read the letter aloud. Sophia listened with the studied air of one for whom, even in these days, a title possessed some surreptitious allurement.}}

Adjective

(en adjective)

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.

*1776 , Thomas Paine,

*:I have frequently amused myself both in public and private companies, with silently remarking, the specious errors of those who speak without reflecting.

Having an attractive appearance intended to generate a favorable response; deceptively attractive.

(obsolete) Beautiful, pleasing to look at.