Answer:

impair

Answer	Crossword Clue
IMPAIR	Diminish
IMPAIR	Render dysfunctional
IMPAIR	Do damage to

IMPAIR	Weaken
IMPAIR	Hamper
IMPAIR	Get in the way of
IMPAIR	Make worse
IMPAIR	Damage
IMPAIR	Injure
IMPAIR	Diminish, as ability
IMPAIR	Render less effective

IMPAIR	Undermine
IMPAIR	Weaken.
IMPAIR	Damage somewhat.
IMPAIR	Damage.
IMPAIR	Make worse.
IMPAIR	Reduce.
IMPAIR	Spoil
IMPAIR	Disable

IMPAIR	Enfeeble
IMPAIR	Debilitate
IMPAIR	Harm
IMPAIR	Mar
IMPAIR	Handicap
IMPAIR	Make less effective
IMPAIR	Hurt

Crossword

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