expletive /ek-, ik-splēˈtiv or eksˈpli-tiv/

1. Filling out
2. Added merely to fill up (a line of verse)

1. A swear-word of any kind
2. A meaningless oath
3. A word or anything present merely to fill a gap
4. A word inserted to fill up a sentence or line of verse
5. A meaningless word serving a grammatical purpose only

• arithmetical mean
• arithmetical progression
• arithmetical progressions
• arithmetical sequence
• arithmetical series
• arithmetician
• arithmeticians
• arithmetic logic unit
• arithmetic mean
• arithmetics
• arithmo-
• arithmomania
• arithmomanias
• arithmometer
• arithmometers
• arithmophobia
• arithmophobias
• a rivederci
• Ariz.
• ark
• Ark.
• arked
• arking
• arkite
• arkose