Difference between Unthankful and Ungrateful

UNTHANKFUL vs UNGRATEFUL: ADJECTIVE

Not grateful; not expressing gratitude; a dissatisfied person.
Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.
Not agreeable or pleasant; repellent.
Not feeling or exhibiting gratitude, thanks, or appreciation.
Not feeling or showing gratitude
Disagreeable

Giving no return; unproductive.
Not thankful; ungrateful; not making acknowledgments for good received. Not repaid with thanks; unacceptable.

Synonyms See grateful.
Unpleasing; unacceptable; disagreeable.
Giving no return or recompense; offering no inducement: as, “th' ungrateful plain,”
Exhibiting ingratitude; characterized by ingratitude: as, ungrateful conduct; ungrateful words.
Not grateful; not feeling thankful or showing gratitude for favors; not making returns, or making ill returns, for kindness.

Uncaring, Undeserving, Uncompassionate, Unworthy, Ungenerous, Greedy, Heartless, Egoistical, Unlovable, Selfish, Unloving, Ingrate, Thankless, Unappreciative, Ungrateful

Resentful, Arrogant, Ingrat, Stinking, Dirty, Smelly, Stinky, Filthy, Crappy, Grateful, Ingrate, Unpleasant, Thankless, Unthankful, Unappreciative

Uncaring, Undeserving, Uncompassionate, Unworthy, Ungenerous, Greedy, Heartless, Egoistical, Unlovable, Selfish, Unloving, Ingrate, Thankless, Unappreciative, Ungrateful

Selfish, Resentful, Arrogant, Stinking, Dirty, Smelly, Stinky, Filthy, Crappy, Grateful, Ingrate, Unpleasant, Thankless, Unthankful, Unappreciative

Happiness cannot be expressed by words, and help taken cannot be left unthankful.
Proceed to the Unthankful Flag Pole as the rendezvous point for roll call.
Diving instructor into our overflowing frisco location and her husband and unthankful.
Highest: for he is kind unto the unthankful and to the evil.
He is kind unto the unthankful and to the evil.
This is the toxic business environment under which some unthankful citizens want Mangudya to perform miracles.
Antonyms for appreciative include ungrateful, inappreciative, thankless, unappreciative, ignorant, neglectful, unthankful, ungracious, settled and paid.
Yet, in our prosperity, we became like ancient Israel: proud and unthankful.
He is good even to people who are unthankful and cruel.
His enemies, who are unthankful, unworthy, and unlovable.

Yet strange I am ungrateful to these teachers.
Yet strange, I am ungrateful to those teachers.
Why would the Press print this ungrateful story.
How ungrateful the proponents of this bill are.
Turkor the Ungrateful is a boss that be!
Complaining about not getting more presents is ungrateful.
Eun Tak makes dinner for her ungrateful aunt.
Opinions of the newspapers: Spain is not ungrateful.
When he looks out in an ungrateful shape!
The mood today is to be ungrateful to parents, ungrateful to grandparents, ungrateful to brothers and sisters, and even ungrateful to country.