n.

1. a line spoken by an actor to the audience but not intended for others on the stage
2. a message that departs from the main subject;
   digression, excursus, divagation, parenthesis

adv.

1. on or to one side
   
   • step aside
   • stood aside to let him pass
   • threw the book aside
   • put her sewing aside when he entered
2. out of the way (especially away from one's thoughts);
   away
   
   • brush the objections aside
   • pushed all doubts away
3. not taken into account or excluded from consideration;
   apart
   
   • these problems apart, the country is doing well
   • all joking aside, I think you're crazy
4. in a different direction;
   away
   
   • turn aside
   • turn away one's face
   • glanced away
5. placed or kept separate and distinct as for a purpose;
   apart
   
   • had a feeling of being set apart
   • quality sets it apart
   • a day set aside for relaxing
6. in reserve; not for immediate use;
   by, away
   
   • started setting aside money to buy a car
   • put something by for her old age
   • has a nest egg tucked away for a rainy day