Definition of stealths:
(n) :
(uncountable) The attribute or characteristic of acting in secrecy, or in such a way that the actions are unnoticed or difficult to detect by others.
(v) :
(especially military, computing) To conceal or infiltrate through the use of stealth.
(adj) :
(military, aviation, vehicles, technology) Having properties that diminish radar signatures.
(adj) :
Surreptitious; secret; not openly acknowledged.
(v) :
(slang, transitive) To subject (someone) to stealthing (sexual intercourse without a condom through deception, for example removing the condom mid-act).
(adj) :
(transgender) Hiding one's transgender status (in general or in specific areas of one's life, e.g. at work) after transition.