timorous: timid by nature or revealing timidity; (adj)
obtuse: slow to learn or understand; lacking intellectual acuity; (adj)
adroit: quick or skillful or adept in action or thought; "an exceptionally adroit pianist"; an adroit technician (adj)
deleterious: harmful to living things (adj)
brevity (noun): the attribute of being brief or fleeting

adulation (noun(: servile flattery; exaggerated and hypocritical praise