دعجدَعِجَ, [aor. ـَ inf. n. دَعَجٌ, He (a man &c.) was, or became, characterized by what is termed دَعَجٌ as explained below. (TA.) And دَعِجَتِ العَيْنُ The eye was, or became, [so characterized; or] wide and black; or intensely black and intensely white. (Msb.) دَعَجٌ (S, A, Msb, K) and ↓ دُعْجَةٌ (K) Blackness: or intense blackness: (TA:) or width, with blackness, of the eye: (Msb:) or intense blackness, with width, of the eye: (S, K:) or intense blackness in the eye, with intense whiteness thereof and width thereof: (A:) or intense blackness of the black of the eye, with intense whiteness of the white thereof; (Msb, * TA;) but accord. to Az, this is said only by Lth, and is a mistake. (TA.) b2:  Also, the former, Blueness inclining to whiteness. (MF.) دُعْجَةٌ: see the next preceding paragraph.دَعْجَآءُ Insanity, or diabolical possession: (K:) accord. to MF, it is an inf. n. [of which the verb is not mentioned]. (TA.) A2:  Also fem. of the epithet next following. (Msb.) أَدْعَجُ A man characterized by what is termed دَعَجٌ in the eyes: fem. دَعْجَآءُ: and pl. دُعْجٌ. (Msb.) And عَيْنٌ دَعْجَآءُ An eye so characterized. (S.) b2:  Also Black; (S, K;) as an epithet applied to a man. (S.) b3:  And (tropical:)  A bull, (A,) [i. e.] a wild bull, and a he-goat, (TA,) characterized  by intense blackness (A) of the horns, (A, TA,) and of the head, and of the legs, (A,) and of the eyes, in the case of the he-goat. (TA.) b4:  شَفَةٌ دَعْجَآءُ and لِثَةٌ دَعْجَآءُ (tropical:)  [A lip and a gum app. of a blue colour inclining to white]. (TA.) b5: لَيْلٌ أَدْعَجُ (tropical:)  [A black, or an intensely black, night;] a dark, black night. (A, * TA.) b6: الدَّعْجَآءُ (tropical:)  The first of [the three nights called] the مُحَاق; i. e. (S, K, TA) the twenty-eighth  night: (S, A, K:) the second is called السَّرَارُ; and the third, الفَلْتَةُ. (S.) مَدْعُوجٌ Affected with insanity, or diabolical possession. (K.)