/ ˈwɜːsn; NAmE ˈwɜːrsn/ verb
to become or make sth worse than it was before
SYN deteriorate :
[ v ]
The political situation is steadily worsening.
Her health has worsened considerably since we last saw her.
[ vn ]
Staff shortages were worsened by the flu epidemic.
► worsen·ing noun [ sing. ]:
a worsening of the international debt crisis
► worsen·ing adjective :
worsening weather conditions