Name __________________ proficient, engage, hinder, formal, informal, humdrum

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Across
  1. 1. get in the way of, or make it difficult for someone to do something
  2. 4. appropriate for business or for official or special occasions
  3. 6. boring or dull
Down
  1. 2. appropriate for relaxed or casual occasions or everyday activities
  2. 3. take part in or do something
  3. 5. skillful, or able to do something well