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prefix

word beginning / to add a start
Transitive Verb[C/U] Both
pl: prefixespast: prefixedpp: prefixeding: prefixingcomp: []sup: []

The term carries a strong sense of addition and modification. It suggests a foundational element that alters the direction or quality of what follows, acting as a modifier that sets the stage for the root word. It is most frequently encountered in linguistic or technical contexts, such as computer programming or database management.

In a broader sense, it evokes the image of a label or a header. While a suffix closes or completes a word, a prefix prepares it, providing essential context or a specific category before the core meaning is reached.

Countable when referring to a specific linguistic element like pre- or anti-. Uncountable when referring to the general concept of prefixing in a technical process.

Meanings

Nounword beginning

A letter or group of letters placed at the beginning of a word to change its meaning.

The prefix un- in unhappy means not.

Transitive Verbto add a start
[~ something]

To add a prefix to a word or a string of characters.

The software will prefix every filename with the date.

Examples

This word has a prefix.

Add a prefix here.

What is the prefix?

The prefix re means again.

I forgot the prefix for this.

She added a prefix to it.

prefix

Please prefix your answer with a number.

School Life

The detective noticed a strange prefix in the code.

Detective

The spell requires a specific prefix to work.

Fantasy

We must prefix all invoices with the project code.

Business

The historian analyzed the Latin prefix in the text.

History

Phrasal Verbs

prefix with

to attach a specific string or character to the start of another

The system will prefix each user ID with a country code.

Related Words

Last Updated: May 2026Report an Error