Add negative prefix
expensive
inexpensive
nečestný
dishonest, unfair
The person has a positive attitude to life.
optimistic
human (pertaining to cruel or barbaric behaviour)
inhuman
negramotný
illiterate
The person is not very sure about himself or herself.
insecure, unsure
selfish
unselfish
nepozorný
inattentive
The person does not say what he or she really thinks.
insincere, dishonest
thoughtful
thoughtless
nesobecký, nezištný
unselfish
The kind of person who gets angry very easily.
bad-tempered
reasonable
unreasonable
nevkusný
tasteless
The kind of person who is always prepared to accept new ideas.
open-minded