Synonyms
Antonyms
Related Words
Use the Word in Context
Related-word data is supplemented by the Datamuse API. Datamuse results are suggestions, not automatic replacements.
A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep and wake and reproductive cycles in mammals.
Related-word data is supplemented by the Datamuse API. Datamuse results are suggestions, not automatic replacements.