41 Negative Affixes

Grammarly Blog

1. Negative Prefixes

Words with negative prefixes are very common in English.  You cannot be a good reader in English if you do not recognize and understand these prefixes and the words they help compose. You should, however, be aware of the limitations of these prefixes.  You cannot simply take a word in English that you want to give a negative meaning, insert any negative prefix in front of it, and create a new word.  Make sure to always check your creations in an online dictionary.

Correct Use

Understanding how negative prefixes and suffixes alter word meanings is crucial to avoiding confusion and conveying the intended message. Familiarize yourself with these criteria:

1. Correct Meaning

Negative prefixes covey different variations of negation. Therefore, it is important to understand the negation meaning they give to the original word. For example, the prefix “un-” generally means “not,” but it can also imply reversal, as in “undo” (to reverse the action of doing).

2. Correct Spelling

When adding a negative prefix or suffix to a word, it is essential to maintain correct spelling. This may involve doubling consonants, as in “unnecessary”.

3. Changes in Pronunciation

Adding a negative prefix or suffix can also change the pronunciation of a word slightly. For instance, the prefix “in-” in “incredible” is pronounced as /ɪn/, while in “input” it’s pronounced as /ɪm/.

4. Parts of Speech

Some negative prefixes are more commonly used with certain classes of words. For example:

  • “un-” is commonly used with adjectives
  • “dis-” with verbs
  • “non-” with nouns.

5. Avoid Double Negations

Using two negatives in one sentence can unintentionally reverse the intended negation, resulting in a positive meaning.

  • Incorrect: I don’t need no assistance. ❌
  • Correct: I don’t need any assistance or I need no assistance ✅

6. Avoid Over-negation

Adding a negative prefix to an already negative word can result in a confusing double negation, which should be avoided.

  • Confusing: The findings are not insignificant. ❓
  • Clearer: The findings are significant. ✅

 

This is a list of common negative prefixes and examples. Notice that the negative meanings vary, so it is important to know what exactly the negative prefix means:

 

Negative Prefix

Shades of Negation Meaning

Examples

a-/ an-

without, lacking, absence of

apolitical, apathetic, asexual, anelectric

ab-

away

abnormal, abduct

anti-

against, opposite, preventing

antiwar, antisocial anti-inflammatory

de-

reversal of an action

deregulate, decontaminate

ir-

not

irrelevant, irregular, irresistible

mal-

poorly

malnourished, malformation

mis-

wrongly, incorrectly

misbehave, misinform

non-

not, without

nonalcoholic, noncommittal, nonaligned

un-

not or reverse

unwritten, unrealistic, undo

 

Special Cases

  1. The Negative Prefix “DIS” has two meanings.

dis-

not

disobey, disapprove

dis-

apart or distant from

disorder, disadvantage, discomfort

 

  2. The Negative Prefix “IN’ changes its spelling.

Due to a process called assimilation, in- will change to:

  • il- before l. Example: illogical, illegal. 
  • im- before m, b, or p. Examples: immodest, impossible.
  • ir- before an r . Examples: irregular, irrelevant, irresistible.

2. Negative Suffixes

-less is the most common negative suffix in English. It indicates “the absence of something”, and it is added to nouns only.

Examples:

  • Hopeless (without hope)
  • Homeless (without a home)
  • Careless (without care or attention)

The content on this PB page has been paraphrased from the websites below. Ideas have been blended to configure this information. For specific details, and to learn more about these topics, visit:

 

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Academic Reading and Vocabulary Skills Copyright © by UW-Madison ESL Program; Alejandro Azocar; Heidi Evans; Andrea Poulos; and Becky Tarver Chase is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, except where otherwise noted.

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