Definition of "waning" in English

verb

1. present participle and gerund of wane

adjective

1. Becoming weaker or smaller.

   • his waning strength

2. Of the lunar phase: as it shrinks when viewed from the Earth.

   • the waning moon

noun

1. The fact or act of becoming less or less intense or present; fading.

   • the waning of her energy

2. The fact or act of becoming smaller.

   • 17th century, Joseph Hall, Epistle to Mr. R. B. This earthly moon, the Church, hath her fulls and wanings, and sometimes her eclipses.