Answer Key
Prefixes (1)
Use the words in brackets to form adjectives, nouns and verbs with the help of prefixation.
- She was always [hypercritical] (critical) of her husband, complaining about every little thing he did. No wonder he decided he had no choice but to ask for a divorce.
- Unfortunately, nobody had been able to [foresee] (see) the problem before we had committed quite a bit of time and effort into the project.
- The percentage of [overweight] (weight) children in the United States is growing at an alarming rate.
- We should [encourage] (courage) her to get [remarried](married). We wouldn't want her to get too used to living alone.
- I've bought a book that shows how to use the power of thought and your [subconscious](conscious) mind to create success and happiness.
- There's one thing you really might want to keep in mind: nobody's [irreplaceable](replaceable)!
- When an iPod is connected to a computer, there are times damage could occur if it is [disconnected] (connect) by simply [unplugging] (plug) the USB cable.
- It was [invaluable] (valuable) help at a very difficult time in my life and led to the training I needed to get a new job.
- The shelter staff was accused of the [mistreatment] (treatment) of animals.
- I don't know what's wrong with her. She has been very [disorganized] (organized) and [discontent] (content) since she came back from holiday.
Common adjective prefixes
In- | Inaccurate, incorrect, indecent |
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Il- | Illegal, illegible, illiterate |
Ir- | Irrelevant, irreplaceable, irrational |
Im- | Immoral, immature, impatient |
Un- | Uncomfortable, unjust, unfair |
Non- | Non-political, non-verbal, non-existent |
Dis- | Dissatisfied, disorganized, disqualified |
Sub- | Subconscious, substandard, suburban |
Hyper- | Hyperactive, hypercritical, hyperdynamic |
Common noun prefixes
Non- | Non-smoker, nonentity, non-event |
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Dis- | Disappearance, disqualification, disability |
Mis- | Misprint, misfortune, misadventure |
Co- | Co-pilot, co-driver, co-author |
Ex- | Ex-husband, ex-wife, ex-mayor, |
Re- | Resettlement, reconstruction, restoration |
Over- | Overweight, overinvestment, overconsumption |
Under- | Underweight, underboss, undersupply |
Pre- | Preconception, pre-diagnosis, pre-activation |
Sub- | Subcontractor, subway, submarine |
Common verb prefixes
Over- | Overthrow, overeat, overwork |
---|---|
Under- | Undercook, underline, undercharge |
En- | Encourage, endanger, enslave |
Un- | Unpack, unwrap, undo |
De- | Defrost, decode, deconstruct |
Re- | Redecorate, reassure, rebuilt, |
Pre- | Prearrange, preannounce, preconceive |
Dis- | Disconnect, discourage, discredit |
Fore- | Foresee, forecast, foretell |
Out- | Outnumber, outlive, outperform |