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1. Causing or intended to cause delay: dilatory tactics in the legislature.
2. Characterized by or given to delay or slowness: dilatory in his work habits. See Synonyms at slow.
[Middle English dilatorie, from Latin dīlātōrius, from dīlātor, delayer, from dīlātus, past participle of differre, to delay : dī-, dis-, apart; see dis- + lātus, carried; see telə- in Indo-European roots.]