Adjective across has 1 sense
  1. crossed, across - placed crosswise; "spoken with a straight face but crossed fingers"; "crossed forks"; "seated with arms across"
,Adverbial across has 3 senses
  1. across - to the opposite side; "the football field was 300 feet across"
  2. across, over - in such a manner as to be understood and accepted; "she cannot get her ideas across"
  3. across, crosswise, crossways - transversely; "the marble slabs were cut across"
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