Definition of "fast-growing"

fast-growing

adjective
comparative faster-growing, superlative fastest-growing
1. Alternative form of fastgrowing
  Quotations
  A fast-growing traffic of which British Railways should receive a larger share is the delivery of new private cars from manufacturer to local dealer.
  1960 June, “British cars go by rail: I-The L.M.R. wins new Anglo-Scottish traffic”, in Trains Illustrated, page 335
  The study, which mapped the vaccine conversation on Facebook during the 2019 measles outbreak, found that there were nearly three times as many active anti-vaccination communities as pro-vaccination communities. In addition, they found that while pro-vaccine pages tended to have more followers, anti-vaccine pages were faster-growing.
  2020 May 13, Kevin Roose, “Get Ready for a Vaccine Information War”, in The New York Times‎
  The Mayor said that before the pandemic, the West Midlands was the fastest-growing regional economy, with opportunities offered by HS2 key to that.
  2021 February 24, Richard Clinnick, “Network News: Thousands of jobs as HS2 feeds West Midlands growth”, in RAIL, number 925, page 8