Orexigenic

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Appetite stimulant
Adjective
  1. 1
    That stimulates the appetite.

    "Ghrelin is a 28‐amino acid acylated peptide predominantly secreted by the stomach but also by the brain. In mammals, ghrelin stimulates both GH [growth hormone] secretion and appetite, and it is the only GI [gastrointestinal] hormone with confirmed orexigenic properties[…]."

Synonyms

All synonyms
orexigenorexigen

Example

More examples

"Ghrelin is a 28‐amino acid acylated peptide predominantly secreted by the stomach but also by the brain. In mammals, ghrelin stimulates both GH [growth hormone] secretion and appetite, and it is the only GI [gastrointestinal] hormone with confirmed orexigenic properties[…]."

Etymology

From Ancient Greek ὄρεξις (órexis, “appetite”) + -genic.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.