Also found in: Thesaurus.
1. Unvarying; steady: "In the equable equatorial zone there is no such struggle against the climate" (David Campbell).
2. Not easily disturbed; serene: an equable temper.
[Latin aequābilis, from aequāre, to make even, from aequus, even, level.]
eq′ua·bil′i·ty, eq′ua·ble·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.