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
fair
unfair
Oops!
Okay!
polite
impolite
Oops!
Okay!
efficient
inefficient
Oops!
Okay!
separable
inseparable
Oops!
Okay!
honest
dishonest
Oops!
Okay!
legal
illegal
Oops!
Okay!
personal
impersonal
Oops!
Okay!
moral
immoral
Oops!
Okay!
possible
impossible
Oops!
Okay!
able
unable
Oops!
Okay!
grateful
ungrateful
Oops!
Okay!
expected
unexpected
Oops!
Okay!
probable
improbable
Oops!
Okay!
honest
dishonest
Oops!
Okay!
experienced
inexperienced
Oops!
Okay!
rational
irrational
Oops!
Okay!
organized
disorganized
Oops!
Okay!
successful
unsuccessful
Oops!
Okay!
pleasant
unpleasant
Oops!
Okay!
capable
incapable
Oops!
Okay!
accurate
inaccurate
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies