clandestine

clan·des·tine
C3L1A1N1D2E1S1T1I1N1E1
/klænˈdɛst(a)ɪn//klænˈdɛs.tən//ˈklændɪst(a)ɪn//ˈklændəst(a)ɪn/

adjective

Done or kept in secret, sometimes to conceal an illicit or improper purpose.

“clandestine military operations”

Less commonScrabble 14

Meanings

adjectiveclandestine (comparative more clandestine, superlative most clandestine)

comparative more clandestine · superlative most clandestine

  1. Done or kept in secret, sometimes to conceal an illicit or improper purpose.

    clandestine military operations

    5 more examples

    Monimia, who while she yielded to his earnest entreaties had always felt, from the natural rectitude of her understanding, the impropriety of their clandestine correspondence, would, he feared, be more than ever sensible of her indiscretion, when she found that a servant was entrusted with it...

    1793, Charlotte Smith, chapter 1, in The Old Manor House, volume 3

    Whether the torments of absence were softened by a clandestine correspondence, let us not inquire. Mr. and Mrs. Morland never did.

    1818, Jane Austen, chapter 31, in Northanger Abbey

    Wildeve's clandestine plan with her was to take a little gravel in his hand and hold it to the crevice at the top of the window shutter, which was on the outside, so that it should fall with a gentle rustle, resembling that of a mouse, between shutter and glass.

    1878, Thomas Hardy, chapter 11, in The Return of the Native

    Lady Bullingdon could not, of course, countenance such an arrangement for a moment, and the two unhappy persons escaped for a clandestine marriage.

    1912, G. K. Chesterton, chapter 9, in Manalive

    Bodies were always a nuisance -- even the small guinea-pig bodies from the slight clandestine experiments in West’s room at the boarding-house.

    1922, H. P. Lovecraft, Herbert West: Reanimator

    Synonyms: covert, furtive, hush-hush, secret, secretive, undercover, abstruse, behind the scenes

  2. FreemasonryNot recognized as a regular member.

Synonyms & antonyms

More synonyms by meaning

adjectiveconducted with or marked by hidden aims or methods

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinclandestīnus“secret, concealed”
  2. Englishclandestine

From Latin clandestīnus (“secret, concealed”); compare French clandestin.

Full word history & related roots →

Translations

Ancient Greek λαθραῖος
  • λαθραῖος (lathraîos)done or kept in secret
Arabic سري
  • سري (sirri)done or kept in secret
Bulgarian та́ен, нелега́лен
  • та́ен (táen)done or kept in secret
  • нелега́лен (nelegálen)done or kept in secret
Catalan clandestí
  • clandestídone or kept in secret
Chinese Mandarin 暗中的, 秘密的
  • 暗中的 (ànzhōng de)done or kept in secret
  • 秘密的 (mìmì de)done or kept in secret
  • 地下的 (dìxià de)done or kept in secret
Czech utajovaný, utajený
  • utajovanýdone or kept in secret
  • utajenýdone or kept in secret
  • tajnýdone or kept in secret
Danish hemmelig, lønlig
  • hemmeligdone or kept in secret
  • lønligdone or kept in secret
  • skjultdone or kept in secret
Dutch heimelijk, geheim
  • heimelijkdone or kept in secret
  • geheimdone or kept in secret
  • clandestiendone or kept in secret
Finnish salainen
  • salainendone or kept in secret
French clandestin
  • clandestindone or kept in secret
German klammheimlich, heimlich
  • klammheimlichdone or kept in secret
  • heimlichdone or kept in secret
  • geheimdone or kept in secret
  • klandestindone or kept in secret
Greek μυστικός, κρυφός
  • μυστικός (mystikós)done or kept in secret
  • κρυφός (kryfós)done or kept in secret
  • λαθραίος (lathraíos)done or kept in secret
Hungarian titkos, rejtett
  • titkosdone or kept in secret
  • rejtettdone or kept in secret
  • tilalmasdone or kept in secret
  • illegálisdone or kept in secret
Icelandic leynilegur
  • leynilegurdone or kept in secret
Indonesian klandestin, diam-diam
  • klandestindone or kept in secret
  • diam-diamdone or kept in secret
Italian clandestino
  • clandestinodone or kept in secret
Japanese 秘密の, 不法の
  • 秘密の (himitsu no)done or kept in secret
  • 不法の (fuhō no)done or kept in secret
Korean 은밀(隱密)하다
  • 은밀(隱密)하다 (eunmilhada)done or kept in secret
Latin clandestīnus, furtīvus
  • clandestīnusdone or kept in secret
  • furtīvusdone or kept in secret
Polish konspiracyjny, ukryty
  • konspiracyjnydone or kept in secret
  • ukrytydone or kept in secret
  • tajnydone or kept in secret
  • pokątnydone or kept in secret
Portuguese clandestino
  • clandestinodone or kept in secret
Romanian clandestin
  • clandestindone or kept in secret
Russian подпо́льный, та́йный
  • подпо́льный (podpólʹnyj)done or kept in secret
  • та́йный (tájnyj)done or kept in secret
  • секре́тный (sekrétnyj)done or kept in secret
  • нелега́льный (nelegálʹnyj)done or kept in secret
Spanish clandestino
  • clandestinodone or kept in secret
Vietnamese bí mật
  • bí mậtdone or kept in secret
Welsh dirgel
  • dirgeldone or kept in secret

Rhymes & wordplay

Rhymes with clandestine

All rhymes →
Cite this entry
APA

clandestine. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/clandestine

MLA

“clandestine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/clandestine. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “clandestine,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/clandestine.

Source: clandestine on Wiktionary, CC BY-SA 4.0.