Decrease and Tumble

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

tumble

An acrobatic feat of rolling or turning end over end.
A sudden drop from an upright position.
- usage: "he had a nasty spill on the ice"
- synonyms: spill, fall

Fall down, as if collapsing.
- usage: "The tower of the World Trade Center tumbled after the plane hit it"
- synonyms: topple
Cause to topple or tumble by pushing.
- synonyms: topple, tip
Roll over and over, back and forth.
Fly around.
- usage: "The clothes tumbled in the dryer"; "rising smoke whirled in the air"
- synonyms: whirl, whirl around
Fall apart.
- usage: "the building crumbled after the explosion"; "Negotiations broke down"
- synonyms: crumble, crumple, break down, collapse
Throw together in a confused mass.
- usage: "They tumbled the teams with no apparent pattern"
Understand, usually after some initial difficulty.
- usage: "She didn't know what her classmates were plotting but finally caught on"
- synonyms: catch on, get wise, get onto, latch on, cotton on, twig, get it
Fall suddenly and sharply.
- usage: "Prices tumbled after the devaluation of the currency"
Put clothes in a tumbling barrel, where they are whirled about in hot air, usually with the purpose of drying.
- usage: "Wash in warm water and tumble dry"
Suffer a sudden downfall, overthrow, or defeat.
Do gymnastics, roll and turn skillfully. .

(n.) Act of tumbling or rolling over; a fall.
(v.t.) To turn over; to turn or throw about, as for examination or search; to roll or move in a rough, coarse or unceremonious manner; to throw down or headlong; to precipitate; -- sometimes with over, about, etc.; as, to tumble books or papers.
(v.i.) To play tricks by various movements and contortions of the body; to perform the feats of an acrobat.
(v.i.) To roll down; to fall suddenly and violently; to be precipitated; as, to tumble from a scaffold.
(v.i.) To roll over or to and fro; to throw one's self about; as, a person on pain tumbles and tosses.
(v.t.) To disturb; to rumple; as, to tumble a bed.

Webster's Revised Unabridged Dictionary