UNGRATEFUL
\ʌnɡɹˈe͡ɪtfə͡l], \ʌnɡɹˈeɪtfəl], \ʌ_n_ɡ_ɹ_ˈeɪ_t_f_əl]\
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not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
By Princeton University
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not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
By DataStellar Co., Ltd
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Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.
By Oddity Software
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Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.
By Noah Webster.
By William Dodge Lewis, Edgar Arthur Singer
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.