[ mawrf ]
/ mɔrf /
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See synonyms for: morph / morphing on Thesaurus.com

Linguistics. a sequence of phonemes constituting a minimal unit of grammar or syntax, and, as such, a representation, member, or contextual variant of a morpheme in a specific environment.Compare allomorph (def. 2).
Biology. an individual of one particular form, as a worker ant, in a species that occurs in two or more forms.
verb (used with object)
to transform (an image) by computer.
verb (used without object)
to be transformed: morphing from a tough negotiator to Mr. Friendly.
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Origin of morph

1945–50; back formation from morpheme, or independent use of -morph


morphic, adjective

Other definitions for morph (2 of 3)


variant of morpho- before a vowel: morpheme.

Other definitions for morph (3 of 3)


a combining form meaning “form, structure,” of the kind specified by the initial element: isomorph.

Origin of -morph

<Greek -morphos;see -morphous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does -morph mean?

The combining formmorph is used like a suffix meaning “form, structure.” It is often used in scientific terms, especially in biology. Historically, –morph has been used in the pseudoscience of somatotype, which seeks to typify body shapes.

The form –morph ultimately comes from Greek morphḗ, meaning “form.” The equivalent combining form from Latin is form, from –fōrmis, meaning “having the form of.”

What are variants of –morph?

The form –morph is related to the forms morphous and morphic, meaning “having the shape, form, or structure.” Other related forms are morphism, morph, and morpho. Want to know more? Read our Words That Use articles on all five forms.

Examples of -morph

An example of a term that features the form –morph is biomorph, “a painted, drawn, or sculptured free form or design suggestive in shape of a living organism, especially an ameba or protozoan.”

The bio part of the word means “life,” from Greek bíos. The form –morph, as we have seen, means “form.” Biomorph literally means “life form.”

What are some words that use the combining form –morph?

What are some other forms that –morph may be commonly confused with?

Break it down!

The combining form rhizo means “root.” Keeping this in mind, what does the scientific term rhizomorph literally mean?

How to use morph in a sentence

British Dictionary definitions for morph (1 of 5)

/ (mɔːf) /

linguistics the phonological representation of a morpheme

Word Origin for morph

C20: shortened form of morpheme

British Dictionary definitions for morph (2 of 5)

/ (mɔːf) /

biology any of the different forms of individual found in a polymorphic species

Word Origin for morph

C20: from Greek morphē shape

British Dictionary definitions for morph (3 of 5)

/ (mɔːf) /

to undergo or cause to undergo morphing
to transform or be transformed completely in appearance or characterhe morphed from nerd into pop icon
a morphed image

British Dictionary definitions for morph (4 of 5)


n combining form
indicating shape, form, or structure of a specified kindectomorph

Derived forms of -morph

-morphic or -morphous, adj combining form-morphy, n combining form

Word Origin for -morph

from Greek -morphos, from morphē shape

British Dictionary definitions for morph (5 of 5)



abbreviation for
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for morph


Form; shape; structure:endomorph.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for morph

[ môrf ]

A phenotypically distinct form of an organism or species.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.