i 1 m 3 p 3 r 1 o 1 v 4 i 1 s 1 a 1 t 1 i 1 o 1 n 1 a 1 l 1 l 1 y 4
17 letters · 27 points in Scrabble
Meaning
originEtymology tree English improvisational Middle English -ly English -ly English improvisationally From improvisational + -ly.
Etymology from Wiktionary, CC BY-SA 3.0