A waterfall occurs when naturally flowing water undergoes an abrupt change in distance above sea level.
The motorcyclist made an abrupt lane change.
Example sentence - His statement was quite abrupt and disturbing.
The running man came to an abrupt halt when his wife called his name.
Abrupt changes in the frequency cause mostly by abrupt variation in load is frequency scintillation.
sudden and unexpected or brief to the point of rudeness or steep; precipitous
The motorcyclist made an abrupt lane change.
the man fell in the ocean in a abrupt way. Her abrupt, unfriendly manner. "If the sensor in one's car detects that a deceleration is too abrupt, it will deploy the air bag."
Example sentence - His statement was quite abrupt and disturbing.
Her answer was very abrupt. I was surprised at her abrupt appearance. The party came to an abrupt end when she accidentally lit the cake on fire. You were quite abrupt to the little girl.
The government made an abrupt change in their policy.
The car came to an abrupt halt. When he walked up their conversation came to an abrupt end.
The bus driver's abrupt stop caused me to fall out of my seat.
the arrival of the police brought the party to an abrupt end
The king's reign came to an abrupt end as the people threw him out of the castle.
The running man came to an abrupt halt when his wife called his name.
When a pedestrian stepped into the street, the driver made an abrupt stop so as not to hit him.
I was abrupting my parents to come to the meeting.