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You know prefixes steer a word's meaning. On action words they change the action itself. Dis- plus appear makes disappear.
What does disappear mean?
Verb Prefixes and Meaning
Use verb prefixes (dis-, de-, mis-, over-, re-) to change verb meaning, understanding how each prefix modifies the action expressed by the root verb
What a learner can do afterwards
- Add verb prefixes to change meaning, e.g. dis- (disagree, disappear), de- (decompose, defrost), mis- (misunderstand, misbehave), over- (overlook, overreact), re- (redo, reconsider)
- Select the appropriate verb prefix to express a specific meaning shift such as negation (dis-/mis-), reversal (de-/un-), repetition (re-), or excess (over-)
- Distinguish verb prefixes from noun/adjective prefixes and explain how adding a prefix to a verb changes the action described
1 · Read
You already know a prefix attaches to the front of a word. Verb prefixes are special: they attach to action words like appear, do, or behave, and change the action itself, not just its size or feeling.
Five prefixes show up often on verbs. Dis- and mis- usually mean 'not' or 'wrong,' as in disagree and misbehave. De- means the reverse direction, as in defrost. Re- means again, as in redo. Over- means too much, as in overreact.
Try it together
Leo forgot the recipe, so he had to redo the whole cake. His sister misread the instructions and added double the sugar. Redo shows repeating the action, and misread shows the action went wrong.
One more prefix joins verbs: un-. It reverses the action, as in untie, unpack, and unzip. But watch out: some words just begin with these letters, like uncle and disaster. If you cannot split off a real action word, there is no verb prefix hiding there.
Good to know
Before picking a verb prefix, ask: is this again (re-), wrong (mis-), not or opposite (dis-), reverse (de- or un-), or too much (over-)? The answer points you to the right prefix.
Verb prefixes like dis-, de-, mis-, over-, re-, and un- change what the action itself means.
2 · Watch
3 · Play
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Where it sits
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Where this leads
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Then practise
24 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.