heartbroken

As a noun dismay

is a sudden or complete loss of courage and firmness in the face of trouble or danger; overwhelming and disabling terror; a sinking of the spirits; consternation.

As a verb dismay

is to disable with alarm or apprehensions; to depress the spirits or courage of; to deprive of firmness and energy through fear; to daunt; to appall; to terrify.

As an adjective heartbroken is

suffering from sorrow, especially after a failed romance.

As adjectives the difference between regretful and heartbroken

is that regretful is full of feelings of regret, indulging in regrets while heartbroken is suffering from sorrow, especially after a failed romance.

Regreful is likely misspelled.

Regreful has no English definition.

As an adjective heartbroken is

suffering from sorrow, especially after a failed romance.

As an adjective heartbroken is

suffering from sorrow, especially after a failed romance.

As an adjective heartbroken

is suffering from sorrow, especially after a failed romance.

As a noun sadness is

(uncountable) the state or emotion of being sad.

As a noun anger

is remorse, regret.

As an adjective heartbroken is

suffering from sorrow, especially after a failed romance.

As adjectives the difference between disheartened and heartbroken

is that disheartened is discouraged, despairing while heartbroken is suffering from sorrow, especially after a failed romance.

As a verb disheartened

is past tense of dishearten.

Morose is a related term of heartbroken.

As adjectives the difference between morose and heartbroken

is that morose is sullen]], gloomy; showing a [[brood|brooding ill humour while heartbroken is suffering from sorrow, especially after a failed romance.

Mortified is a related term of heartbroken.

As a verb mortified

is (mortify).

As an adjective heartbroken is

suffering from sorrow, especially after a failed romance.

As adjectives the difference between heartbreaking and heartbroken

is that heartbreaking is that causes great grief, anguish or distress while heartbroken is suffering from sorrow, especially after a failed romance.

As a noun heartbreaking

is the breaking of a heart; great grief, anguish or distress.