Answer:

fluky

Answer	Crossword Clue
FLUKY	By chance
FLUKY	Happening by accident
FLUKY	Hard to predict

FLUKY	Depending on chance
FLUKY	Uncertain, as a wind
FLUKY	Chance
FLUKY	Happening by chance
FLUKY	Unpredictable

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.