baby (v)
cocker (v)
coddle (v)
cosset (v)
featherbed (v)
indulge (v)
mollycoddle (v)
pamper (v)
spoil (v)

Definition: treat with excessive indulgence
Example: grandparents often pamper the children. Let's not mollycoddle our students!.

ruin (v)

Definition: reduce to ruins
Example: The country lay ruined after the war.

crumble (v)
decay (v)
dilapidate (v)

Definition: fall into decay or ruin
Example: The unoccupied house started to decay.

desolate (v)
devastate (v)
lay waste to (v)
ravage (v)
scourge (v)
waste (v)

Definition: cause extensive destruction or ruin utterly
Example: The enemy lay waste to the countryside after the invasion.

deflower (v)
impair (v)
mar (v)
spoil (v)
vitiate (v)

Definition: make imperfect
Example: nothing marred her beauty.

misinform (v)
mislead (v)

Definition: give false or misleading information to

destroy (v)
ruin (v)

Definition: destroy completely
Example: You have ruined my car by pouring sugar in the tank!. The tears ruined her make-up.

smash up (v)
smash (v)
bang up (v)

Definition: damage or destroy as if by violence
Example: The teenager banged up the car of his mother.

ball up (v)
blow (v)
bobble (v)
bodge (v)
bollix (v)
bollix up (v)
bollocks (v)
bollocks up (v)
botch (v)
botch up (v)
bumble (v)
bungle (v)
flub (v)
fluff (v)
foul up (v)
fuck up (v)
fumble (v)
louse up (v)
mess up (v)
mishandle (v)
muck up (v)
muff (v)
screw up (v)
spoil (v)

Definition: make a mess of, destroy or ruin
Example: I botched the dinner and we had to eat out. the pianist screwed up the difficult passage in the second movement.