INGRATEFUL
\ɪnɡɹˈe͡ɪtfə͡l], \ɪnɡɹˈeɪtfəl], \ɪ_n_ɡ_ɹ_ˈeɪ_t_f_əl]\
Definitions of INGRATEFUL
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SQ10,643
- A serotonin antagonist with limited antihistaminic, anticholinergic, and immunosuppressive activity.