big – small
cheap – expensive
clean – dirty
deep – shallow
down – up
early – late
easy – difficult
far – near
fast – slow
fat – thin
full – empty
good – bad
happy – sad
heavy – light
here – there
high – low
hot – cold
in – out
inside – outside
interesting – boring

light – dark
long – short
loud – soft
many – few
new – old
open – close
rich – poor
right – left
safe – dangerous
single – married
smooth – rough
soft – hard
strong – weak
tall – short
thick – thin
tight – loose
warm – cool
wet – dry
wide – narrow
young – old