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                            Syn: displeased, grumpy, surly
Ant: pleased, satisfied, content
                            What is disgruntled? Disgruntled is an adjective and a  participle.  An adjective describes a noun.  A past participle can be used on their own as adjectives to modify nouns.  They are placed either before the noun or pronoun they describe or after it, following a linking verb. The disgruntled passenger yelled.  The passenger who was disgruntled....