Meaning
un-
not
unbelievable
not believable
pre-
before
preview
view before
sub-
under
re-
again
retry
try again
dis-
not/opposite of
disagree
not agree
in-
in
super-
above
superstar
above and beyond
mid-
middle
midterm
between terms
non-
not
anti-
against
semicircle
half circle
mis-
wrongly
mistype
wrongly type
de-
opposite
fore-
before
forecast
predict
guess before
trans-
across
transatlantic
across the Atlantic
em- (hint: embrace)
cause to