We don't have synonyms for atrac yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are atra, trac and amtrac.
°To aggressivelychallenge a person, idea, etc., with words (particularly in newspaper headlines, because it typesets into less space than "criticize" or similar).
°To aggressivelychallenge a person, idea, etc., with words (particularly in newspaper headlines, because it typesets into less space than "criticize" or similar).