Definition of even-keeled in English:

even-keeled

adjective

  • Of a boat or ship: having a horizontal or level keel, typically ensuring smooth or stable sailing. Also (and in earliest use) figurative and in figurative contexts: calm, steady, unwavering; emotionally or mentally stable.

Origin

Mid 19th century; earliest use found in Christian Advocate. From even keel + -ed.

Pronunciation

even-keeled

/ˌiːvnˈkiːld/