OBVIOUS
(a) Obscure
(b) Obsolete
(c) Indifferent
(d) Difficult

FORBID
(a) Defy
(b) Dislike
(c) Permit
(d) Understand

HARMONIOUS
(a) Selfish
(b) Aggressive
(c) Mechanical
(d) Discordant

INCONSPICUOUS
(a) Open-hearted
(b) Open-minded
(c) Prominent
(d) Smooth

FACTUAL
(a) Imaginary
(b) Idealistic
(c) Unrealistic
(d) Verbal

ABANDON
(a) Assert
(b) Retain
(c) Produce
(d) Twist

ASSENT
(a) Breakdown
(b) Misunderstand
(c) Dispatch
(d) Disagreement

FICKLE
(a) Constant
(b) Convenient
(c) Questionable
(d) Faithful

DISCREET
(a) Worthy
(b) Wishful thinking
(c) Honest
(d) Careless in behaviour

ARTICULATE
(a) Unable to understand
(b) Unable to express oneself
(c) Unable to agree
(d) Unable to live

TRIVIAL
(a) Temporary
(b) Delicate
(c) Important
(d) Arbitrary