#1 get across v. communicate successfully; "I couldn't get across the message"; "He put over the idea very well". wn
#2 get across v. become clear or enter one's consciousness or emotions; "It dawned on him that she had betrayed him"; "she was penetrated with sorrow". wn
#3 get across v. travel across or pass over; "The caravan covered almost 100 miles each day". wn
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