ectomorph

noun

ec·​to·​morph ˈek-tə-ˌmȯrf How to pronounce ectomorph (audio)
: an ectomorphic individual

Examples of ectomorph in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For the city that produced the author, activist, actor and 19-time All-Star Kareem Abdul-Jabbar, a bookish ectomorph with MVP-level talent is not entirely unheard of. Leah Asmelash, CNN Money, 9 June 2026 Overall, a high-protein diet with balanced amounts of carbohydrates and fats is typically beneficial for most ectomorphs. Laura Schober, Health, 6 Feb. 2025 Reeves shares that hypertrophy, or muscle gain, can be difficult for ectomorphs. Essence, 10 Jan. 2025

Word History

Etymology

ectoderm + -morph

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of ectomorph was in 1940

Browse Nearby Words

Cite this Entry

“Ectomorph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ectomorph. Accessed 5 Jul. 2026.

Medical Definition

ectomorph

noun
ec·​to·​morph ˈek-tə-ˌmȯrf How to pronounce ectomorph (audio)
: an ectomorphic individual

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