[dis.grun.tle] vt dis.grun.tled ; dis.grun.tling [dis- + gruntle (to grumble), fr. ME gruntlen, freq. of grunten to grunt] (1682): to make ill-humored or discontented--usu. used as a participial adjective "they were a very disgruntled crew --Flannery O'Connor" -- dis.grun.tle.ment n
DISGRUNTLE
Meaning of DISGRUNTLE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012