upbrighten

English

Etymology

From up- +‎ brighten.

Verb

upbrighten (third-person singular simple present upbrightens, present participle upbrightening, simple past and past participle upbrightened)

  1. (ambitransitive, poetic) To make or become brighter.
    • 1904, Louis Kaufman Anspacher, Tristan and Isolde: A Tragedy, page 69:
      I looked on thee, at first, as looks the sun / Upon the earth upbrightening in his glance, []