disdain
lack of respect; contempt
impulsive; impetuous; precipitous
acting in a rash, hasty manner without fully considering the consequences
intrepid; dauntless
brave and therefore lacking fear
precarious
lacking stability
superficial
shallow and therefore lacking in depth
diffident
lacking self-confidence
sophmoric; callow
immature and therefore lacking maturity or sophistication
extravagant
excessive and therefore lacking restraint
apathetic
showing little or no feeling or emotion; spiritless; lacking emotion
erratic
lacking consistency
trite, cliché
commonplace; ordinary and therefore lacking originality; humdrum
denounce
to put down by condemning or criticizing
decry
to criticize; denounce; condemn
depreicate
to go down in value
despondent; dejected; depressed
all mean feeling very down and discouraged
deleterious
things are going down in the sense of being harmful, hurtful, and detrimental
belittle
to make something feel really little; to put someone down; to disparage
belie
to lie in the sense of contradicting
plausible
believable; credible
incorrigible
incapable of being reformed