H

harmless

harmful

heaven

hell

high

low

hope

despair

hot

cold

I

import

export

inhale

exhale

inner

outer

innocent

guilty

inside

outside

interesting

boring

interior

exterior

internal

external

J

joy

sorrow

K

keep

lose

know

ignore

L

large

small

left

right

light

dark

long

short

love

hate

M

manual

automatic

masculine

feminine

maximum

minimum

more

less

N

near

far

new

old

normal

abnormal

O

often

rarely

on

off

open

close

optimist

pessimist

optional

obligatory

ordinary

extra ordinary

P

pleasure

pain

positive

negative

praise

criticize

present

past

proud

humble

public

private

push

pull