Definition of unlevelled in US English:

unlevelled

adjective

  • Not made level, flat, or even; not brought down to the level of the ground.

Origin

Mid 16th century; earliest use found in Stephen Gardiner (d. 1555), theologian, administrator, and bishop of Winchester. From un- + level + -ed.

Pronunciation

unlevelled

/(ˌ)ʌnˈlɛvld/