m 3 e 1 g 2 a 1 l 1 o 1 m 3 a 1 n 1 i 1 a 1 c 3 a 1 l 1 l 1 y 4
16 letters · 26 points in Scrabble
Meaning
originEtymology tree English megalomaniacal Middle English -ly English -ly English megalomaniacally From megalomaniacal + -ly.
Etymology from Wiktionary, CC BY-SA 3.0