Verb

(en verb)

to make sad or unhappy

* (Alexander Pope)

* , chapter=7

, title= The Mirror and the Lamp , passage=The turmoil went on—no rest, no peace. […] It was nearly eleven o'clock now, and he strolled out again. In the little fair created by the costers' barrows the evening only seemed beginning; and the naphtha flares made one's eyes ache, the men's voices grated harshly, and the girls' faces saddened one.}}

(rare) to become sad or unhappy

* {{quote-book, year=1999, author=Mary Ann Mitchell, title=Drawn To The Grave citation

, passage=Hyacinth perfume tickled her senses, making her feel giddy, but she saddened when she saw how uncared for the garden was.}}

(rare) to darken a color during dyeing

to render heavy or cohesive

* Mortimer

Marl is binding, and saddening of land is the great prejudice it doth to clay lands.

Verb

(en verb)

To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.

To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.

To drain, metaphorically; to use or expend wholly, or till the supply comes to an end; to deprive wholly of strength; to use up; to weary or tire out; to wear out; as, to exhaust one's strength, patience, or resources.

A decrepit, exhausted old man at fifty-five. --Motley.

To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.

(chemistry) To subject to the action of various solvents in order to remove all soluble substances or extractives; as, to exhaust a drug successively with water, alcohol, and ether.