Open English Wordnet
Nouns
(n)passive aggressionindirect expression of hostility, such as through procrastination, stubbornness, sullenness, or deliberate or repeated failure to accomplish requested tasks for which one is (often explicitly) responsible.“In psychology, passive-aggressive behavior is characterized by a habitual pattern of passive resistance to expected work requirements, opposition, stubbornness, and negative attitudes in response to requirements for normal performance levels expected of others.”