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

explēˈtory (also /eksˈpli-/) adjective

1. Serving to fill up
2. Expletive
3. Supplementary

• light pens
• light pollution
• light-proof
• light railway
• light railways
• lights
• lightship
• lightships
• light show
• light shows
• lightsome
• lightsomely
• lightsomeness
• lightsomenesses
• lights out
• light-spirited
• measliness
• measlinesses
• measling
• measly
• measurability
• measurable
• measurableness
• measurablenesses
• measurably