ἄδηλος

Ancient Greek

From ᾰ̓- (ă-, “un-”) +‎ δῆλος (dêlos, “clear”).

ᾰ̓́δηλος • (ắdēlos) m or f (neuter ᾰ̓́δηλον); second declension

invisible
- 750 BCE – 650 BCE, Hesiod, Works and Days 6:
  Ῥεῖα δ’ ἀρίζηλον μινύθει καὶ ἄδηλον ἀέξει.
  Rheîa d’ arízēlon minúthei kaì ádēlon aéxei.
  Easily he diminishes the conspicuous man and increases the obscure man.

Second declension of ᾰ̓́δηλος; ᾰ̓́δηλον (Attic)

Number	Singular		Dual		Plural
Case/Gender	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter
Nominative	ᾰ̓́δηλος ắdēlos	ᾰ̓́δηλον ắdēlon	ᾰ̓δήλω ădḗlō	ᾰ̓δήλω ădḗlō	ᾰ̓́δηλοι ắdēloi	ᾰ̓́δηλᾰ ắdēlă
Genitive	ᾰ̓δήλου ădḗlou	ᾰ̓δήλου ădḗlou	ᾰ̓δήλοιν ădḗloin	ᾰ̓δήλοιν ădḗloin	ᾰ̓δήλων ădḗlōn	ᾰ̓δήλων ădḗlōn
Dative	ᾰ̓δήλῳ ădḗlōi	ᾰ̓δήλῳ ădḗlōi	ᾰ̓δήλοιν ădḗloin	ᾰ̓δήλοιν ădḗloin	ᾰ̓δήλοις ădḗlois	ᾰ̓δήλοις ădḗlois
Accusative	ᾰ̓́δηλον ắdēlon	ᾰ̓́δηλον ắdēlon	ᾰ̓δήλω ădḗlō	ᾰ̓δήλω ădḗlō	ᾰ̓δήλους ădḗlous	ᾰ̓́δηλᾰ ắdēlă
Vocative	ᾰ̓́δηλε ắdēle	ᾰ̓́δηλον ắdēlon	ᾰ̓δήλω ădḗlō	ᾰ̓δήλω ădḗlō	ᾰ̓́δηλοι ắdēloi	ᾰ̓́δηλᾰ ắdēlă
Derived forms	Adverb		Comparative		Superlative
Derived forms	ᾰ̓δήλως ădḗlōs		ᾰ̓δηλότερος ădēlóteros		ᾰ̓δηλότᾰτος ădēlótătos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

“ἄδηλος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
“ἄδηλος”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
ἄδηλος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
ἄδηλος in the Diccionario Griego–Español en línea (2006–2025)
ἄδηλος, in ΛΟΓΕΙΟΝ [Logeion] Dictionaries for Ancient Greek and Latin (in English, French, Spanish, German, Dutch and Chinese), University of Chicago, since 2011