v. /up serrj"/ ; n. /up"serrj'/ , v. , upsurged, upsurging , n.
v.i.
1. to surge up; increase; rise: Water upsurged. Crime upsurged.
n.
2. the act of surging up; a large or rapid increase: an upsurge in sales.
[ 1915-20; UP- + SURGE ]
v. /up serrj"/ ; n. /up"serrj'/ , v. , upsurged, upsurging , n.
v.i.
1. to surge up; increase; rise: Water upsurged. Crime upsurged.
n.
2. the act of surging up; a large or rapid increase: an upsurge in sales.
[ 1915-20; UP- + SURGE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012