A
Kind
Unkind
RIGHT
WRONG
LEFT
SOFT
HARD
EXPENSIVE
CHEAP
HUNGRY
FULL
STRONG
WEAK
OPEN
CLOSED
EMPTY
FULL
He is SICK.
HEALTHY
My neighbour is very patient.
Impatient
The meeting is formal.
Informal
He is inactive on weekends.
Active
He is feeling very happy.
Unhappy