Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
negative prefixes
0
%
0
0
0
Back
Restart
healthy
unhealthy
Oops!
Okay!
legible
illegible
Oops!
Okay!
possible
impossible
Oops!
Okay!
dependent
independent
Oops!
Okay!
surprising
unsurprising
Oops!
Okay!
comfortable
uncomfortable
Oops!
Okay!
satisfied
unsatisfied
Oops!
Okay!
visible
invisible
Oops!
Okay!
real
unreal
Oops!
Okay!
polite
impolite
Oops!
Okay!
fair
unfair
Oops!
Okay!
legal
illegal
Oops!
Okay!
friendly
unfriendly
Oops!
Okay!
safe
unsafe
Oops!
Okay!
interesting
uninteresting
Oops!
Okay!
kind
unkind
Oops!
Okay!
tidy
untidy
Oops!
Okay!
usual
unusual
Oops!
Okay!
correct
incorrect
Oops!
Okay!
believable
unbelievable
Oops!
Okay!
honest
dishonest
Oops!
Okay!
expected
unexpected
Oops!
Okay!
patient
impatient
Oops!
Okay!
patient
impatient
Oops!
Okay!
relevant
irrelevant
Oops!
Okay!
likely
unlikely
Oops!
Okay!
responsible
irresponsible
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies