Possible Clues:

• Omitting
• Jumping (with a rope?)
• Equipment with long cord bound to catch fish
• With 59-Across, lakeside activity ... or a hint to the words spelled across the fifth, eighth and 11th rows of the completed grid
• Leaping to pass over computer query?
• Saying 'No thanks' to, say
• Miss first half of game for children's activity
• Deliberately dodging physical activity
• Hopping over a turning rope
• Playing with a rope