Definition of xlnt in English:

xlnt

adjective

informal
  • Excellent.

    ‘an xlnt novel’
    ‘xlnt show tonight!’
    • ‘Top reads that explore this idea are to be found in Greg Egan's xlnt novel Diaspora.’
    • ‘Food & service xlnt!’
    • ‘Young, tall, pleasing personality, xlnt comm skills for cabin crew/air hostess, willing to travel.’
    • ‘Xlnt read, thnx for leaving the door open!’
    • ‘I have an opportunity to acquire a Baldwin Theatre Organ (free) which is in xlnt cond but runs on tubes.’

Origin

Mid 19th century: abbreviation.