<unk>  refers to<unk> , sometimes  obstructionist resistance to following authoritative instructions in interpersonal or occupational situations. It can manifest itself as resentment, stubbornness, procrastination, sullenness, or repeated failure to accomplish requested tasks for which one is assumed, often explicitly, to be 
responsible. It is a defense mechanism and, more often than not, only partly conscious. For example, people who are<unk><unk>  might take so long to get ready for a party they do not wish to attend, that the party is nearly over by the time they arrive. Alternatively, leaving notes to avoid face-to-face discussion/confrontation is another form of<unk> .
Passive-aggressive behavior
Aversion to happiness
Disorder of written expression
Compulsive hoarding
Homicidal ideation
Challenging behaviour
Perseveration
Brazing