Definition of "high up"

high up

adjective
comparative more high up, superlative most high up
1. Alternative form of high-up.
adverb
not comparable
1. In a high or elevated position.
  Quotations
  From the ground, Colombo’s port does not look like much. […] But viewed from high up in one of the growing number of skyscrapers in Sri Lanka’s capital, it is clear that something extraordinary is happening: China is creating a shipping hub just 200 miles from India’s southern tip.
  2013 June 8, “The new masters and commanders”, in The Economist, volume 407, number 8839, page 52