indignant (adj.)

• acrimonious
• angered
• angry
• annoyed
• cross
• disappointed
• disapproving
• discontented
• disenchanted
• disgruntled
• disillusioned
• displeased
• dissatisfied
• dissenting
• enraged
• exasperated
• furious
• heated
• huffy
• incensed
• irate
• ireful
• irritated
• livid
• low
• mad
• miffed
• opposed
• opposing
• peeved
• pissed
• poor
• provoked
• riled
• sore
• unappreciative
• uncomplimentary
• unfavorable
• unhappy
• vexed
• wrathful
• wroth