What does 加剧 (jiājù) mean in English?

Card 1215HSK Level 41215/3571
CARD1215
PROGRESS34%
加剧
加劇
jiājù
prick up(Verb)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d