Definition of morph
(Entry 1 of 5)
1a
: allomorph
b
: a distinctive collocation of phones (such as a portmanteau form) that serves as the realization of more than one morpheme in a context (such as the French du for the sequence of de and le)
2a
: a local population of a species that consists of interbreeding organisms and is distinguishable from other populations by morphology or behavior though capable of interbreeding with them
b
: a phenotypic variant of a species
morph
verb
morphed; morphing; morphs
Definition of morph (Entry 2 of 5)
: to change the form or character of : transform
: to undergo transformation
especially
: to undergo transformation from an image of one object into that of another especially by means of computer-generated animation
morph
abbreviationDefinition of morph (Entry 3 of 5)
morph-
combining form
variants:
or morpho-
Definition of morph- (Entry 4 of 5)
1
: form
morphogenesis
2
: morpheme
morphophonemics
-morph
noun combining formDefinition of -morph (Entry 5 of 5)
: one having (such) a form
isomorph
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share morph
Time Traveler for morph
The first known use of morph was in 1947
See more words from the same year