modified; modifying
Synonyms of modify

transitive verb

1
: to make less extreme : moderate
… traffic rules were modified to let him pass …Van Wyck Brooks
2
a
: to limit or restrict the meaning of especially in a grammatical construction
In the phrase "the red hat," the adjective "red" modifies the noun "hat."
b
: to change (a vowel) by umlaut
3
a
: to make minor changes in
had to modify his plan
modified the recipe by using oil instead of butter
b
: to make basic or fundamental changes in often to give a new orientation to or to serve a new end
the wing of a bird is an arm modified for flying

intransitive verb

: to undergo change

modifiability

2 of 2

noun

: the capability of being modified
this modifiability is one of the intrinsic qualities of living protoplasmJ. S. Shrike
Choose the Right Synonym for modify

change, alter, vary, modify mean to make or become different.

change implies making either an essential difference often amounting to a loss of original identity or a substitution of one thing for another.

changed the shirt for a larger size

alter implies a difference in some particular respect without suggesting loss of identity.

slightly altered the original design

vary stresses a breaking away from sameness, duplication, or exact repetition.

vary your daily routine

modify suggests a difference that limits, restricts, or adapts to a new purpose.

modified the building for use by the disabled

Examples of modify in a Sentence

Verb We can help you modify an existing home or build a new one. He modified the recipe by using oil instead of butter. She has modified her views on the matter. The design was modified to add another window. We played a modified version of our favorite game. Adjectives usually modify nouns, and adverbs usually modify verbs, adjectives, and other adverbs. In the phrase “a red hat,” the adjective “red” modifies the noun “hat.”
Recent Examples on the Web
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Verb
For their protocell to accept these crucial supplies, the team also modified a protein that would sit in the cell membrane and attract the lipid bubbles. Yasemin Saplakoglu, Quanta Magazine, 1 July 2026 By the same token, new information and messaging can help modify or entirely erase such limiting perceptions. The Christian Science Monitor, Christian Science Monitor, 1 July 2026 In contrast, canning requires extensive thermal processing, which is more likely to modify these nutrients. Anna Giorgi, Verywell Health, 2 July 2026 For example, Texas angler Dustin Grice modifies his spinnerbaits by adding chartreuse and white willow-leaf blades with a matching chartreuse/white skirt. David A. Brown, Outdoor Life, 1 July 2026 See All Example Sentences for modify

Word History

Etymology

Verb

Middle English modifien, from Anglo-French modifier, from Latin modificare to measure, moderate, from modus

First Known Use

Verb

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of modify was in the 14th century

Browse Nearby Words

Cite this Entry

“Modify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/modify. Accessed 7 Jul. 2026.

Kids Definition

modified; modifying
1
: to make changes in : alter
modify a plan
2
: to lower or reduce in amount or degree : moderate
3
: to limit in meaning : qualify
in the phrase "green gloves," "green" modifies "gloves"

Medical Definition

modify

transitive verb
modified; modifying
: to make a change in
modify behavior by the use of drugs

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