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
mature
immature
Oops!
Okay!
agree
disagree
Oops!
Okay!
correct
incorrect
Oops!
Okay!
necessary
unnecessary
Oops!
Okay!
experienced
inexperienced
Oops!
Okay!
relevant
irrelevant
Oops!
Okay!
responsible
irresponsible
Oops!
Okay!
obey
disobey
Oops!
Okay!
regular
irregular
Oops!
Okay!
predictable
unpredictable
Oops!
Okay!
secure
insecure
Oops!
Okay!
advantage
disadvantage
Oops!
Okay!
possible
impossible
Oops!
Okay!
comfort
discomfort
Oops!
Okay!
complete
incomplete
Oops!
Okay!
successful
unsuccessful
Oops!
Okay!
surprising
unsurprising
Oops!
Okay!
practical
impractical
Oops!
Okay!
patient
impatient
Oops!
Okay!
employed
unemployed
Oops!
Okay!
capable
incapable
Oops!
Okay!
expected
unexpected
Oops!
Okay!
reliable
unreliable
Oops!
Okay!
probable
improbable
Oops!
Okay!
usual
unusual
Oops!
Okay!
legal
illegal
Oops!
Okay!
likely
unlikely
Oops!
Okay!
believable
unbelievable
Oops!
Okay!
logical
illogical
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies