Standard Lemma guide

ectomorph

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈɛktəʊmɔːf/
  • US: /ˈɛktoʊmɔːɹf/
  • US: /ˈɛktəmɔːɹf/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Someone with a lean, only slightly muscular body

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Theoretical body type in which a person has a high metabolism. Such a person can easily maintain a low fat physique, but does not add muscle or body weight easily.

Definition source: English Wiktionary via Wiktextract

Topics: bodybuilding, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a person with a thin body

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: person, individual, someone, somebody, mortal, soul

History

Etymology

Derived from ectoderm + -morph from William Herbert Sheldon. Equivalent to ecto- + -morph.

Across languages

Translations

2 source translations are retained for this English entry.

  • French: ectomorphe — someone with a lean body
  • Russian: эктомо́рф (ektomórf) — someone with a lean body