1. The quality or state of being ineffable; being undescribable
   - ineffability

Derived forms: ineffablenesses

• expediter
• expedition
• expeditionary
• expeditious
• expeditiously
• expeditiousness
• expel
• expellee
• expeller
• expelling
• expend
• expendable
• expender
• expending
• expenditure
• expense
• expense account
• expense record
• expensive
• expensively
• expensiveness
• experience
• experienced
• experient
• experiential