n. 25B6; noun BITTERNESS, indignation, irritation, pique, dissatisfaction, disgruntlement, discontentment, discontent, resentfulness, bad feelings, hard feelings, ill will, acrimony, rancour, animosity, jaundice; envy, jealousy.
RESENTMENT
Meaning of RESENTMENT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012