thing-in-itself

noun

A thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

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Opposite

Meanings

nounthing-in-itself (plural things-in-themselves)

plural things-in-themselves · alternative thing in itself

  1. A thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

    Synonyms: noumenon · Antonyms: phenomenon

Synonyms & antonyms

nounA thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

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Opposite

More synonyms by meaning

nounthe intellectual conception of a thing as it is in itself, not as it is known through perception

Similar
Broader
contentcognitive contentmental object
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. GermanDing an sich
  2. Englishthing-in-itself

Literal translation of the German Ding an sich.

Full word history & related roots →

Translations

Arabic شَيْء فِي ذَاتِهِ
  • شَيْء فِي ذَاتِهِ (šayʔ fī ḏātihi)thing as it is independent of any conceptualization — see also noumenon
Chinese Mandarin 本體 /本体, 物自體 /物自体
  • 本體 /本体 (běntǐ)thing as it is independent of any conceptualization — see also noumenon
  • 物自體 /物自体 (wùzìtǐ)thing as it is independent of any conceptualization — see also noumenon
Czech věc o sobě
  • věc o soběthing as it is independent of any conceptualization — see also noumenon
Estonian asi iseeneses
  • asi iseenesesthing as it is independent of any conceptualization — see also noumenon
Finnish olio sinänsä, noumeeni
  • olio sinänsäthing as it is independent of any conceptualization — see also noumenon
  • noumeenithing as it is independent of any conceptualization — see also noumenon
French chose en soi
  • chose en soithing as it is independent of any conceptualization — see also noumenon
German Ding an sich, Ding-an-sich
  • Ding an sichthing as it is independent of any conceptualization — see also noumenon
  • Ding-an-sichthing as it is independent of any conceptualization — see also noumenon
Greek πράγμα αυτό καθ’ αυτό, πράγμα αυτό καθαυτό
  • πράγμα αυτό καθ’ αυτό (prágma aftó kath’ aftó)thing as it is independent of any conceptualization — see also noumenon
  • πράγμα αυτό καθαυτό (prágma aftó kathaftó)thing as it is independent of any conceptualization — see also noumenon
Hebrew דבר בפני עצמו
  • דבר בפני עצמו (davar bifne atsmo)thing as it is independent of any conceptualization — see also noumenon
Italian cosa in sé
  • cosa in séthing as it is independent of any conceptualization — see also noumenon
Japanese 本体, 物自体
  • 本体 (hontai)thing as it is independent of any conceptualization — see also noumenon
  • 物自体 (monojitai)thing as it is independent of any conceptualization — see also noumenon
Korean 물자체
  • 물자체 (muljache)thing as it is independent of any conceptualization — see also noumenon
Polish rzecz sama w sobie, noumen
  • rzecz sama w sobiething as it is independent of any conceptualization — see also noumenon
  • noumenthing as it is independent of any conceptualization — see also noumenon
  • noumenonthing as it is independent of any conceptualization — see also noumenon
Portuguese coisa em si
  • coisa em sithing as it is independent of any conceptualization — see also noumenon
Russian вещь в себе́
  • вещь в себе́ (veščʹ v sebé)thing as it is independent of any conceptualization — see also noumenon
Slovak vec o sebe
  • vec o sebething as it is independent of any conceptualization — see also noumenon
Spanish cosa en sí
  • cosa en síthing as it is independent of any conceptualization — see also noumenon
Ukrainian річ у собі́
  • річ у собі́ (rič u sobí)thing as it is independent of any conceptualization — see also noumenon
Cite this entry
APA

thing-in-itself. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thing-in-itself

MLA

“thing-in-itself.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thing-in-itself. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “thing-in-itself,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thing-in-itself.

Source: thing-in-itself on Wiktionary, CC BY-SA 4.0.