.i> .i>
1.b> 1) (in, of) i> , i> ; an upsurge in violent crime ; a recent upsurge of interest in his movies ; there's been an upsurge of Scots wanting to emigrate ;
2) (of) i> (, i>); an upsurge of joy ; there was a genuine upsurge of religious feeling / ; recently there has been a noisy upsurge of English-Canadian nationalism in Toronto - / ;
2.b> .i> , .