adj
disgruntled
dihs-GRUHNTLD
adj
1
Annoyed, dissatisfied, or in a sour mood, often because of unfair treatment.
"A disgruntled customer left a scathing review."
"Disgruntled employees threatened to walk out."
How to Use Disgruntled
Learner’s notesIn plain EnglishUnhappy and irritated, usually because you feel you've been treated badly.
Common pairings
disgruntled customer
disgruntled employee
Word Forms
more disgruntled comparative, most disgruntled superlative
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Etymology
From the older verb "disgruntle," from dis- (intensifier) plus the now-rare "gruntle" (to grumble) — so disgruntled originally meant "thoroughly grumbling."