Difference between Sorry and Regretful

SORRY vs REGRETFUL: NOUN

Causing sorrow, grief, or misfortune; grievous.
Worthless or inferior; paltry.
Feeling or expressing regret.
Feeling or expressing sympathy or pity.
Depressing in character or appearance
Without merit
Bad; unfortunate
Feeling or expressing pain or sorrow for sins or offenses
Having regret or sorrow or a sense of loss over something done or undone
Feeling or expressing sorrow or pity
Feeling or expressing sorrow.
Grieved for the loss of some good; pained for some evil; feeling regret; -- now generally used to express light grief or affliction, but formerly often used to express deeper feeling.
Melancholy; dismal; gloomy; mournful.
Poor; mean; worthless.
Regretful for an action; grieved or saddened, especially by the loss of something or someone.
Poor, sad or regrettable.
Causing dejection
Keenly sorry or regretful

Expresses regret, remorse, or sorrow.
Used as a request for someone to repeat something not heard or understood clearly.

Vile; wretched; worthless; mean; paltry; poor.
Synonyms Vexed, chagrined.
Pitiful, shabby.
Causing sorrow; painful; grievous; mournful.
Feeling sorrow; grieved; sorrowful; unhappy; sad; pained; especially, feeling repentance or regret: noting either deep or slight, prolonged or transient, emotion.
Unfortunate
Bad
Without merit; of little or no value or use
To sorrow; grieve.
Associated with sorrow; suggestive of grief or suffering; melancholy; dismal.

Penitent, Rueful, Compassionate, Deplorable, Lamentable, Pitying, Repentant, Distressing, Pitiful, Bad, Unhappy, Contrite, Remorseful, Regretful, Sad

Heartbroken, Sorrowful, Apologetic, Remorseful, Exponential, Unfortunately, Deplorable, Lamentable, Regretfully, Regrettably, Distressing, Unfortunate, Sad, Regrettable, Sorry

Penitent, Rueful, Compassionate, Deplorable, Lamentable, Pitying, Repentant, Distressing, Pitiful, Bad, Unhappy, Contrite, Remorseful, Regretful, Sad

Ashamed, Heartbroken, Sorrowful, Apologetic, Remorseful, Exponential, Unfortunately, Deplorable, Lamentable, Regrettably, Distressing, Unfortunate, Sad, Regrettable, Sorry

Sorry, this is only a short answer space.
Now i felt sorry for him and guilty.
Sorry, an error occurred when processing your transaction.
Sorry, that file does not contain wget commands.
Sorry, you do not have an open order.
Sorry but we could not find your vehicle.
Sorry there are no data for your Interests.
Gilmer: You felt sorry for her; you felt sorry for her?
Unfortunately not we are sorry about that, the freshmaps are not longer available, sorry.
Sorry, but the author of this post seemed like a douchebag, not sorry.

There is no world for the penitent and regretful.
We do oppose this bill and I am regretful.
Is Regretful a word in the Scrabble dictionary?
We are extremely regretful for causing you inconvenience.
Estefani had abashedly flipped after the regretful sob.
Do you feel excited, relieved, regretful, happy, sad?
" colleague Xiaohuang feels distressed to this and regretful.
The regretful thing there are blisters on your feet later and the regretful thing here is your face not matching your neck.
Usage: felt regretful over his vanished youth; regretful over mistakes she had made; he felt bad about breaking the vase.
After having regretful sex, someone will just feel regretful.