[v] get sick; "She fell sick last Friday, and now she is in the hospital"
[v] be the essential element; "The proposal boils down to a compromise"
[v] criticize or reprimand harshly; "The critics came down hard on the new play"
[v] move downward and lower, but not necessarily all the way; "The temperature is going down"; "The barometer is falling"; "The curtain fell on the diva"; "Her hand went up and then fell again"
[v] fall from clouds; "rain, snow and sleet were falling"; "Vesuvius precipitated its fiery, destructive rage on Herculaneum"