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Added 9 October 2026

stealth

/stɛlθ/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about stealth at Wordnik → Where our words come from →

The attribute or characteristic of acting in secrecy, or in such a way that the actions are unnoticed or difficult to detect by others.
An act of secrecy, especially one involving thievery.

verb

To conceal or infiltrate through the use of stealth.
To subject (someone) to stealthing (sexual intercourse without a condom through deception, for example removing the condom mid-act).

adjective

Surreptitious; secret; not openly acknowledged.
Having properties that diminish radar signatures.
Hiding one's transgender status (in general or in specific areas of one's life, e.g. at work) after transition.
go stealth; be stealth; live stealth

Origin

From Middle English stelthe, from Old English stǣlþ, from Proto-Germanic *stēliþō, to Proto-Germanic *stelaną (“to steal, to sneak”) + *-iþō, equivalent to steal + -th (abstract nominal suffix). Compare Old English stalu (“theft, stealth”), Old High German stāla (“theft”), German Diebstahl (“theft”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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