English Reference
verb

modify

v.
US /ˈmɑdəˌfaɪ/ UK /mˈɒdɪfˌaɪ/ mod·i·fy UK spelling modifies, modifying

  1. 01 B2 Upper Intermediate Academic

    to make small changes to something, usually to improve it or make it fit a new situation.

    to make partial changes to something in order to improve it or make it less extreme. Transitive — requires a direct object.

    Simple

    The engineers had to modify the car's design to make it safer for passengers.

    In context

    The software developers had to modify the existing source code to ensure compatibility with the latest operating system update.

    Usage

    Often used in technical or formal contexts regarding plans, designs, or laws.

  2. 02 C1 Advanced AcademicTechnical Grammar

    to change or add to the meaning of another word.

    to qualify or limit the meaning of a word or phrase by providing additional information. Transitive — the subject is usually a grammatical unit like an adjective or adverb.

    Simple

    In the phrase 'red apple', the adjective 'red' modifies the noun 'apple'.

    In context

    Adverbs typically modify verbs, adjectives, or other adverbs to provide specific details regarding time, manner, or place.

    Usage

    The verb is transitive and takes the word being described as its object.

Usage slightly modify

Jayanti modifies root words from Sanskrit with prefixes and suffixes to arrive at the translation.

Phys.org· 17 Aug 2026

One solution to this problem is to modify mRNA’s building blocks – specifically, changing the U, or uridine, to its chemical cousins, pseudouridine and N1-methylpseudouridine .

The Conversation· 6 Aug 2026

From Middle English modifien, from Middle French modifier, from Latin modificare (“to limit, control, regulate, deponent”), from modificari (“to measure off, set bound to, moderate”), from modus (“measure”) + facere (“to make”); see mode.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin modificare
Level B2 · Upper Intermediate
Frequency Frequent
Updated