troubled

As a noun category

is a group, often named or numbered, to which items are assigned based on similarity or defined criteria.

As an adjective troubled is

anxious, worried, careworn.

As a verb troubled is

(trouble).

As adjectives the difference between troubled and distraught

is that troubled is anxious, worried, careworn while distraught is deeply hurt, saddened, or worried; distressed.

As a verb troubled

is (trouble).

As a noun fear

is grass.

As an adjective troubled is

anxious, worried, careworn.

As a verb troubled is

(trouble).

As adjectives the difference between troubled and undefined

is that troubled is anxious, worried, careworn while undefined is lacking a definition or value.

As a verb troubled

is (trouble).

As adjectives the difference between embarrassed and troubled

is that embarrassed is having a feeling of shameful discomfort while troubled is anxious, worried, careworn.

As verbs the difference between embarrassed and troubled

is that embarrassed is (embarrass) while troubled is (trouble).

As verbs the difference between endanger and troubled

is that endanger is to put (someone or something) in danger; to risk causing harm to while troubled is (trouble).

As an adjective troubled is

anxious, worried, careworn.

Alarmed is a related term of troubled.

As verbs the difference between alarmed and troubled

is that alarmed is (alarm) while troubled is (trouble).

As adjectives the difference between alarmed and troubled

is that alarmed is having an alarm fitted while troubled is anxious, worried, careworn.

Skittish is a related term of troubled.

As adjectives the difference between skittish and troubled

is that skittish is easily scared or startled; timid while troubled is anxious, worried, careworn.

As a verb troubled is

(trouble).

Disquieted is a related term of troubled.

As verbs the difference between disquieted and troubled

is that disquieted is (disquiet) while troubled is (trouble).

As an adjective troubled is

anxious, worried, careworn.