"full of wrath, inflamed with anger," 1590s, past-participle adjective from incense (v.1). Earlier it was used in heraldry, in reference to fire-breathing animals (1570s). Distinguished in pronunciation from incensed "perfumed witrh incense" (1610s), from incense (v.2).
incensed at the judges' unfairness
incautious
incendiarism
incendiary
incensation
incense
incensed
incent
incentive
incentivize
incept
inception