waning

verb

1. (form-of, gerund, participle, present)present participle and gerund of wane

adj

1. (not-comparable)Becoming weaker or smaller.

   “my patience is waning”

2. (not-comparable)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”

   “And boyhood is a summer sun Whose waning is the dreariest one — For all we live to know is known And all we seek to keep hath flown — […]”

   “Soothed again, but only soothed to deeper gloom, Ahab, who had sterned off from the whale, sat intently watching his final wanings from the now tranquil boat.”

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.”