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

• fluidisation
• fluidise
• fluidised
• fluidises
• fluidising
• fluidities
• fluidity
• fluidization
• fluidizations
• fluidize
• fluidized
• fluidized bed
• fluidized beds
• fluidizes
• fluidizing
• fluid mechanics
• fluidness
• fluidnesses
• fluid ounce
• fluids
• fluier
• fluiest
• fluke
• fluked
• flukes