anxiety

As nouns the difference between melancholy and anxiety

is that melancholy is (historical) black bile, formerly thought to be one of the four "cardinal humours" of animal bodies while anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As an adjective melancholy

is affected with great sadness or depression.

As nouns the difference between alertness and anxiety

is that alertness is the quality of being alert or on the alert; briskness; nimbleness; activity while anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As a noun anxiety

is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As an adjective angry is

displaying or feeling anger.

As a noun anxiety

is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As a verb anticipate is

to act before (someone), especially to prevent an action.

As an adjective intimidated

is affected by intimidation.

As a verb intimidated

is (intimidate).

As a noun anxiety is

an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As nouns the difference between brooding and anxiety

is that brooding is a spell of brooding; the time when someone broods while anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As an adjective brooding

is (of a bird) broody; incubating eggs by sitting on them.

As a verb brooding

is .

As a noun anxiety

is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between anxiety and tonicity

is that anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event while tonicity is (medicine) the normal presence of tone or tension in a muscle or organ; tonus.

As a noun anxiety

is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between unrest and anxiety

is that unrest is a state of trouble, confusion and turbulence, especially in a political context; a time of riots, demonstrations and protests while anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.