verb (used with object), dis·grun·tled, dis·grun·tling.
- to put into a state of sulky dissatisfaction; make discontent.
verb
- (tr; usually passive) to make sulky or discontented
1680s, from dis- “entirely, very” + obsolete gruntle “to grumble” (Middle English gruntelen, early 15c.), frequentative of grunt (v.).