Definition of "critically"

critically

/ˈkɹɪt.ɪk.li/

adverb
comparative more critically, superlative most critically
1. In a critical manner; with, or in terms of, criticism.
2. In terms of critique, review, of or by critics
3. With close discernment; accurately; exactly.
  Quotations
  Thus difficult it is to underſtand the purity of Engliſh, and critically to diſcern not only good Writers from bad, and a proper ſtile from a corrupt, but alſo to diſtinguiſh that which is pure in a good Author, from that which is vicious and corrupt in him.
  1685, John Dryden, transl., “Preface”, in Sylvæ: Or, The Second Part of Poetical Miscellanies, London: […] Jacob Tonson, […]; reprinted Menston, Yorkshire, London: Scolar Press, 1973, page 19
4. At a crisis or critical time; in a situation, place, or condition of decisive consequence.
  Quotations
  Coming critically the night before the session.
  1724, [Gilbert] Burnet, edited by [Gilbert Burnet Jr.], Bishop Burnet’s History of His Own Time. […], volumes (please specify |volume=I or II), London: […] Thomas Ward […]
5. Requiring immediate attention; likely to cause a collapse.