Definition of vagarious in English:

vagarious

adjective

rare
  • Erratic and unpredictable in behaviour or direction.

    • ‘The emotional goal was to eliminate vagarious, capricious, out-of-touch control by the powerful past presidents.’
    • ‘It's a very vagarious server and sometimes returns a session timeout error, but most of the times you will download the files just fine.’
    • ‘The generalization capability of the self-organizing network can cope with vagarious operating conditions which have not been encountered during the training phase and hence a give correct classification result.’
    • ‘Nowadays, there is vigorous and vagarious competition in the software market.’
    • ‘The least vagarious tendency of the mind in the leaders of men, especially in those holding seats of power, is fraught with the gravest danger.’

Origin

Late 18th century (in the sense ‘changing, inconstant’): from vagary+ -ous.

Pronunciation

vagarious

/vəˈɡɛːrɪəs/