kangaroo /ˌkæŋ.ɡəˈɹuː/verb 3adjective 2noun 2forms 4phrases 1 verb3 •To move like a kangaroo. •To practice kangaroo care on an infant; to hold a premature infant against the skin. •To hunt kangaroo. adjective2 •Of or relating to Australia. •Characterized by rapidly jumping prices in securities markets or by belief that the prices are unstable in contrast to bear and bull markets. noun2 •A member of the Macropodidae family of large marsupials with strong hind legs for hopping, native to Australia and New Guinea.Besides the Animals which I have before mentioned, called by the Natives Kangooroo, or Kanguru […]. — 1770 •[before a noun] (Canada) A hooded jacket with a front pocket, usually of fleece material, a kangaroo jacket. formskangarood · kangarooed · kangarooing · kangaroos Phrases with kangaroo kangaroo courtA judicial or quasi-judicial proceeding, or a group of people which conducts such proceedings, which is without proper authority, and often acts abusively or decides unjustly.