re-
un-
dis-
mis-
pre-
100

To build again.

rebuild

100

Not kind or considerate.

unfair

100

Something disliked.

dislike

100

Misplace is to lose something, or to put it in an incorrect location.

misplace

100

The definition of a preteen is a child who is close to becoming a teenager.

preteen

200

To fill again.

refill

200
  • Harsh, severe, cruel, rigorous, etc.

unkind

200

Not honest; lying, cheating, etc

dishonest

200

To behave badly.

misbehave

200

To put or attach before or in front of.

prefix

300

To look over, study, or examine again.

review

300

Not happy or joyful; sad or sorrowful.

unhappy

300

To find out; learn of the existence of; realize.

discover

300

To be wrong in judging.

misjudge

300

To heat (an oven, for example) beforehand.

preheat

400

To model again.

remodel

400

Not even or regular; wavering

unsteady

400

Not loyal or faithful; faithless.

disloyal  

400

A bad or unsuitable match.

mismatch

400

To test in advance.

pretest

500

To trace again or back.

retrace

500

Not even or consistent; variable.

unequal

500

To refuse or fail to follow an order or rule

disobey

500

To hit (a tennis or cricket ball, for example) incorrectly or badly.

mishit

500

An introductory or preliminary message, sample, or overview; a foretaste.

preview