Answer:

decline

Answer	Crossword Clue
DECLINE	Sink
DECLINE	Downward slope
DECLINE	Drop

DECLINE	Turn down
DECLINE	Gradual loss
DECLINE	Send regrets
DECLINE	Wane.
DECLINE	Do a grammar chore
DECLINE	Refuse
DECLINE	Slump
DECLINE	Recession

Crossword

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