Decrease and Empty

decrease

A change downward.
- usage: "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"
- synonyms: lessening, drop-off
A process of becoming smaller or shorter.
- synonyms: decrement
The amount by which something decreases.
- synonyms: decrement
The act of decreasing or reducing something.
- synonyms: diminution, reduction, step-down

Decrease in size, extent, or range.
- usage: "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper"
- synonyms: diminish, lessen, fall
Make smaller.
- usage: "He decreased his staff"
- synonyms: lessen, minify

(v.t.) To cause to grow less; to diminish gradually; as, extravagance decreases one's means.
(v.) A becoming less; gradual diminution; decay; as, a decrease of revenue or of strength.
(n.) To grow less, -- opposed to increase; to be diminished gradually, in size, degree, number, duration, etc. or in strength, quality or excellence; as, they days decrease in length from June to December.
(v.) The wane of the moon.

Webster's Revised Unabridged Dictionary

empty

Make void or empty of contents.
- usage: "Empty the box"; "The alarm emptied the building"
Become empty or void of its content.
- usage: "The room emptied"
- synonyms: discharge
Leave behind empty; move out of.
- usage: "You must vacate your office by tonight"
- synonyms: vacate, abandon
Remove.
- usage: "Empty the water"
Excrete or discharge from the body.
- synonyms: evacuate, void

Holding or containing nothing.
- usage: "an empty glass"; "an empty room"; "full of empty seats"; "empty hours"
Devoid of significance or point.
- usage: "empty promises"; "a hollow victory"; "vacuous comments"
- synonyms: hollow, vacuous
Needing nourishment.
- usage: "after skipped lunch the men were empty by suppertime"; "empty-bellied children"
- synonyms: empty-bellied
Emptied of emotion.
- usage: "after the violent argument he felt empty"

(superl.) Having nothing to carry; unburdened.
(superl.) Destitute of reality or real existence; unsubstantial; as, empty dreams.
(v.i.) To become empty.
(n.) An empty box, crate, cask, etc.; -- used in commerce, especially in transportation of freight; as, "special rates for empties.".
(superl.) Free; clear; devoid; -- often with of.
(superl.) Unable to satisfy; unsatisfactory; hollow; vain; -- said of pleasure, the world, etc.
(superl.) Destitute of effect, sincerity or sense; -- said of language; as, empty words or threats.
(superl.) Producing nothing; unfruitful; -- said of a plant or tree; as, an empty vine.
(v.i.) To discharge itself; as, a river empties into the ocean.
(v.t.) To deprive of the contents; to exhaust; to make void or destitute; to make vacant; to pour out; to discharge; as, to empty a vessel; to empty a well or a cistern.
(superl.) Containing nothing; not holding or having anything within; void of contents or appropriate contents; not filled; -- said of an inclosure, as a box, room, house, etc.; as, an empty chest, room, purse or pitcher; an empty stomach; empty shackles.
(superl.) Destitute of or lacking, sense, knowledge or courtesy; as, empty brains; an empty coxcomb.

Webster's Revised Unabridged Dictionary