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ectomorph Line breaks: ecto|morph
Pronunciation: /ˈɛktə(ʊ)mɔːf/

Definition of ectomorph in English:


A person with a lean and delicate build of body. Compare with endomorph and mesomorph.
Example sentences
  • If you are now starting a fitness programme, it is a good idea for you to know what is your body type - mesomorph, ectomorph, endomorph, or a cross between two types.
  • I was once a guest at a spa where we could avail ourselves of a ‘wellness expert’ who could customise a person's meals based on whether she was, say, a thyroidal mesomorph or an adrenal ectomorph.
  • Still, extreme ectomorphs can't eat lean and clean and maximize mass.


Pronunciation: /ɛktə(ʊ)ˈmɔːfɪk/
Example sentences
  • If the Air Force wants an ectomorphic / mesomorphic force, so be it, but one day it may be hard to fill our manning boots without all our hard-working endomorphs.
  • Negative descriptors such as ‘lonely’ and ‘depressed’ were assigned to the figure possessing the least muscular, or most ectomorphic, chest.
  • She was taller than the redhead by an inch or two, being that she had the willowy yet graceful physique like that of a healthy ectomorphic body.
Example sentences
  • Taking into account the levels of tissue components in the men it was calculated that the levels of endomorphy, mesomorphy and ectomorphy in the female contestants amounted to 158%, 68% and 129% respectively.
  • Those values in female patients were 159.2 cm, 47.8 kg, and 118.5, respectively, indicating that the male patients showed a higher degree of ectomorphy.
  • But it will be difficult for those who have a high degree of ectomorphy to achieve a significant increase in their body weight.


1940s: ecto- from ectodermal (being the layer of the embryo giving rise to physical characteristics which predominate) + -morph.

Definition of ectomorph in:
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