regretful

As adjectives the difference between regretful and regretless

is that regretful is full of feelings of regret, indulging in regrets while regretless is having no regrets.

As adjectives the difference between poignant and regretful

is that poignant is sharp-pointed; keen while regretful is full of feelings of regret, indulging in regrets.

As a noun soulsearching

is an alternative spelling of soul-searching.

As an adjective regretful is

full of feelings of regret, indulging in regrets.

As adjectives the difference between regretful and guilty

is that regretful is full of feelings of regret, indulging in regrets while guilty is responsible for a dishonest act.

As a noun guilty is

(legal) a plea by a defendant who does not contest a charge.

As a verb mortify

is (obsolete|transitive) to kill.

As an adjective regretful is

full of feelings of regret, indulging in regrets.

As a verb mortified

is past tense of mortify.

As an adjective regretful is

full of feelings of regret, indulging in regrets.

As adjectives the difference between regretful and unfortunate

is that regretful is full of feelings of regret, indulging in regrets while unfortunate is not favored by fortune.

As a noun unfortunate is

an unlucky person.

As adjectives the difference between regretful and frustrated

is that regretful is full of feelings of regret, indulging in regrets while frustrated is foiled, stopped, disappointed.

As a verb frustrated is

(frustrate).

As adjectives the difference between regretful and ashamed

is that regretful is full of feelings of regret, indulging in regrets while ashamed is feeling shame or guilt.

As a verb ashamed is

(ashame).

As adjectives the difference between penitent and regretful

is that penitent is penitent while regretful is full of feelings of regret, indulging in regrets.

As a noun penitent

is penitent.