deteriorated

As verbs the difference between spoil and deteriorated

is that spoil is (archaic) to strip (someone who has been killed or defeated) of their arms or armour while deteriorated is (deteriorate).

As a noun spoil

is (also in plural: spoils ) plunder taken from an enemy or victim.

As verbs the difference between mellow and deteriorated

is that mellow is to make mellow; to relax or soften while deteriorated is (deteriorate).

As an adjective mellow

is soft or tender by reason of ripeness; having a tender pulp.

As a noun mellow

is a relaxed mood.

As an adjective deteriorative

is causing deterioration.

As a verb deteriorated is

(deteriorate).

As verbs the difference between deteriorated and impaired

is that deteriorated is (deteriorate) while impaired is (impair).

As an adjective impaired is

rendered less effective.

As a noun impaired is

a criminal charge for impaired driving.

As verbs the difference between dilapidated and deteriorated

is that dilapidated is while deteriorated is (deteriorate).

As an adjective dilapidated

is having fallen into a state of disrepair or deterioration, especially through neglect.

As verbs the difference between deteriorated and worsen

is that deteriorated is (deteriorate) while worsen is to make worse; to impair.

As verbs the difference between deteriorated and bad

is that deteriorated is (deteriorate) while bad is to simulate.

As verbs the difference between deteriorated and declining

is that deteriorated is (deteriorate) while declining is .

As a noun declining is

decline.

As verbs the difference between decline and deteriorated

is that decline is while deteriorated is (deteriorate).

As an adjective decline

is declined.

As verbs the difference between degrade and deteriorated

is that degrade is while deteriorated is (deteriorate).