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Prefixes Words

Prefixes Words

In English Language, knowing of words’ formation is so important. Different words are made from other words by adding something or deducting something. Using of prefixes is one of the ways to form words from other words.

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Definition of prefix

Prefix is defined as a letter/letters added at the beginning of the word to make a new word. It is also defined as an affix that is placed in front of the word to form a new word. Adding of the affix changes the word into another word. The new form of the word sometimes gives the same meaning and sometimes gives a new meaning.

Prefixes words


Examples of Prefixes words  

Prefix: The word ‘prefix’ by itself is an example of the prefix. It is made up of two words pre and fix. Pre means before and fix means attach. They both form a new word ‘prefix’ which means to attach affix in front of the word.

Oversight: The word oversight is formed by adding the prefix ‘over’ to the word sight. Sight means the act of looking or observing. Meaning of the ‘over’ is a high place. When the prefix ‘over’ is added in front of ‘sight’ that form a new word oversight. Oversight means watching or observing someone.

Insight: The word sight means an act of looking or observing. When ‘in’ is added as a prefix, it becomes insight. Insight means looking deeper in to the center or feeling of understanding.

 

List of Prefixes words with examples

Prefix

Meaning

Example

A, an

Without, not, lack of

Atheist, amoral, anhydrous

There are more amoral politicians in our country.

Ab

Not, bad

Abnormal, abuse

The news stunned me when I heard that his child is abnormal.

Ad

To

Adjoin

Our office adjoins our house.

Ante

Before, earlier

Anterior, antecedent

Ali called Diya and advised her. Diya is the antecedent of the pronoun her.

Anti

Against

Antiaircraft, antibody

Antibody test is required to go abroad.

Auto

Self, same

Autobiography, autopilot

I have not written autobiography so far.

Be

All around

Beset

He was beset by wolves.

Bi

Two

Bilateral

Saudi and America have bilateral relations.

Circum

Around, about

Circumstances

If the circumstances permitted, we would study abroad.

Co

Together, with

Co-educate, co-worker

John and Tom are co-workers.

Com, Con

Together, with

Concentrate, companion

We must concentrate on our studies.

Contra, Contro

Against, opposite

Contrast, controversial

It has become controversial point. Leave it now.

Cor

Together

Correct

You have to give correct answers.

Counter

Opposition

Counterattack

Two rebels have been killed in counterattack.

De

Away from, off, down

Devalue, deactivate, degrade

It is not better to degrade any of your friends.

Di

Two

Dioxide

Carbon dioxide is the combination of Carbon and Oxygen.

Dia

Through

Diameter

I need a pipe with four inches diameter.

Dis

Opposite, not

Dissatisfied, disappear

She disappeared just after the lunch.

En

Put into, cover with

Enclose, encase

Fog enclosed the whole area today.

Ex

Former, out of, from

Ex-president, extract, excavate

The ex-president wants to take participation in election again.

Extra

Beyond, more than

Extraordinary, extracurricular

He performed better in all extracurricular activities.

Hetero

Other, different

Heterogeneous, heterosexual 

The heterogeneous architecture of our city needs to be changed.

Hemi

Half

Hemisphere

Equator divides the Earth into two hemispheres.

Home, Homeo

Same

Homogeneous, homeostasis

Homogeneous grouping is advised, so put the students of same abilities in the same class.

Hyper

Over

Hypersensitive

Don’t be hypersensitive about the situation. Let it be as it is.

Hypo

Under

Hypothesis

My hypothesis is that debt financing has positive effects on capital structure.

Il, im, in, ir

Without, not

Illegal, impossible, incomplete, irresponsible

It is illegal to have weapons without having license.

In

In, into

Insert, infiltrate

We have been infiltrated by our enemies.

Infra

Below

Infrastructure

Our government must assign high budget to infrastructure.

Inter

With in

Interschool

We enjoyed a lot interschool games.

Intra, Intro

Inside

 Intramuscular

Intramuscular injections were used to give me vaccines.

Macro

Large

Macroeconomics

I got the highest marks in Macroeconomics.

Mal

Ill, bad

Malnutrition, malpractice

The number of children who have malnutrition increases.

Micro

Very small

Microscope

Bacteria can be seen by microscope.

Mis

Bad

Misbehavior

Misbehavior is not bearable in reputed organizations.

Mono

Single

Monotone

She read the story in monotone.

Non

Not, opposite

Nonsense

I don’t like her because she talks a lot of nonsense.

Omni

Every

Omnivorous

We eat meat and vegetables, that is why we are called omnivorous.

Out

Outside

Outwit

The hunter was outwitted by the fox.

Over

More than enough

Overconfidence

His expectations were high and he was overconfident.

Post

After

Postmortem

They have submitted postmortem report in the court.

Pre, Pro

Before

Prefix

We are discussing prefixes.

Re

Again

Rewrite

You need to rewrite your report.

Semi

Half

Semifinal

Tomorrow is semifinal. I will watch.

Sub

Alternate

Subway

Metro system is also called subway system.

Super

Beyond

Supernatural

Do you believe in the supernatural?

Sym, Syn

Same time, together

Symmetry

In fact, I liked the symmetry of the painting.

Tele

Over a distance

Telecommunication

Pak telecommunication authority imposed takes on mobile phones.

To

This

Today

Today is our English test, so I have to study.

Trans

Across

Transplant

He wants hair transplant and I don’t recommend.

Tri

Three

Triangle

Triangle is one of the shapes that has tree angles.

Ultra

Beyond

Ultrasound

I saw her in the hospital. She had ultrasound exam this morning.

Un

Not, opposite

Unhappy

She was unhappy because her result was worse than before.

Under

Below, not enough

Underestimate

Don’t underestimate yourself. A day will come that you will be at the top of the world.

Uni

Single

Unilateral

They took unilateral decision about cutting the pay of pilot.

Up

Getting higher

Upgrade

All employees were upgraded after two years.

Vice

Alternate of

Vice president

Who will be the vice president of the United States of America?

Hyphen is used or not with prefixes words

Do we use a punctuation mark (hyphen) between affix and prefix? Rules are different about using hyphen. It is better to consult a dictionary if you are not sure.

When a prefix is added to a proper noun, we hyphenate the prefix.

  • Anti-American
  • Pro-Pakistan
  • Pre-World War

When the last letter of a prefix and the first letter of an affix are the same, you need to hyphenate. You may not use hyphen when it is ‘o’.

  • Re-entry
  • Re-enter

You need to use a hyphen with special prefixes such as ex, self.

  • Self-conscious
  • Self-respect
  • Ex-president

Sometimes you need to hyphenate the prefix in order to clarify the reader. Sometimes a word creates confusion or gives a different meaning in one case.

  • Re-cover
  • Re-press

You can use some prefixes in both forms. It depends upon the writer to use hyphen or not.

  • Antigovernment
  • Anti-government

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