deepen
verb
[ ˈdiːp(ə)n ]
• make or become deep or deeper.
• "the crisis deepened"
Similar:
grow,
increase,
intensify,
strengthen,
escalate,
mushroom,
snowball,
add to,
heighten,
reinforce,
enhance,
boost,
magnify,
amplify,
augment,
enrich,
promote,
encourage,
exacerbate,
aggravate,
inflame,
worsen,
make/become worse,
hot up,
step up,
dig out,
make deeper,
dig deeper,
scoop out,
scrape out,
hollow out,
excavate,
