ADO Meaning of ADO in English [ado] n [ME, fr. at do, fr. at + don, do to do] (14c) 1: fussy bustling excitement: to-do 2: time-wasting bother over trivial details "wrote the paper without further ~" 3: trouble, difficulty Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012