Greek core word #65 · adjective · 233 times in the New Testament

ἅγιος

HAH-gih-os

ἅγιος, ἁγία, ἅγιον — holy; pl. saints

2-1-2 adjective with feminine in -α after ι (ἅγιος, ἁγία, ἅγιον).
Accent on the antepenult, moving to the penult before a long ending (ἁγίου, ἁγία, ἁγίων).
οἱ ἅγιοι “the saints”; τὸ πνεῦμα τὸ ἅγιον “the Holy Spirit”.

Forms in bold occur in the New Testament; the others complete the pattern. A dash (—) marks a form that does not exist.

	Masc. sg	Fem. sg	Neut. sg	Masc. pl	Fem. pl	Neut. pl
Nom	ἅγιος	ἁγία	ἅγιον	ἅγιοι	ἅγιαι	ἅγια
Gen	ἁγίου	ἁγίας	ἁγίου	ἁγίων	ἁγίων	ἁγίων
Dat	ἁγίῳ	ἁγίᾳ	ἁγίῳ	ἁγίοις	ἁγίαις	ἁγίοις
Acc	ἅγιον	ἁγίαν	ἅγιον	ἁγίους	ἁγίας	ἅγια
Voc	ἅγιε	ἁγία	ἅγιον	ἅγιοι	ἅγιαι	ἅγια

Superlative ἁγιώτατος, -η, -ον “most holy”: ἁγιωτάτῃ (Jude 20).

Where you meet it

First met in passage 96, Acts 9:32.