Main entry: fall
Definition: a movement downward
Usage: the rise and fall of the tides
Main entry: downfall, fall
Definition: a sudden decline in strength or number or importance
Usage: the fall of the House of Hapsburg
Antonyms: rise
Definition: a growth in strength or number or importance
Main entry: declension, declination, decline, declivity, descent, downslope, fall
Definition: a downward slope or bend
Antonyms: ascent, acclivity, climb, upgrade, rise, raise
Definition: an upward slope or grade (as in a road)
Main entry: go down, come down, fall, descend
Definition: move downward and lower, but not necessarily all the way
Usage: The temperature is going down; The barometer is falling; The curtain fell on the diva; Her hand went up and then fell again
Antonyms: lift, come up, rise, move up, go up, arise, uprise
Definition: move upward
Definition: travel up, "We ascended the mountain"
Main entry: fall, lessen, diminish, decrease
Definition: 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
Antonyms: increase
Definition: become bigger or greater in amount