burgeoning
adjective
[ ˈbəːdʒ(ə)nɪŋ ]
• beginning to grow or increase rapidly; flourishing.
• "manufacturers are keen to cash in on the burgeoning demand"
burgeon
verb
• begin to grow or increase rapidly; flourish.
• "the city's suburbs have burgeoned, sprawling out from the centre"
Similar:
grow rapidly,
increase rapidly/exponentially,
expand,
spring up,
shoot up,
swell,
explode,
boom,
mushroom,
proliferate,
snowball,
multiply,
become more numerous,
escalate,
rocket,
skyrocket,
run riot,
put on a spurt,
flourish,
thrive,
prosper,
Origin:
Middle English: from Old French bourgeonner ‘put out buds’, from borjon ‘bud’, based on late Latin burra ‘wool’.