SG Heritage Dictionary

Ungrateful [Adjective] Webster's Dictionary 1828

1. Not grateful; not feeling thankful for favors.

2. Not making returns, or making ill returns for kindness.

3. Making no returns for culture; as an ungrateful soil

4. Unpleasing; unacceptable. Harsh sounds are ungrateful to the ear.

Ungrateful [Adjective] Webster's Dictionary 1913

1. Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.

2. Unpleasing; unacceptable; disagreeable; as, harsh sounds are ungrateful to the ear.

Ungratefully [Adverb] Webster's Dictionary 1828

2. Unpleasingly; unacceptably.

Ungratefulness [Noun] Webster's Dictionary 1828

1. Ingratitude; want of due feelings of kindness for favors received; ill return for good.

2. Disagreeableness; unpleasing quality.