indefinable /in-di-fīˈnə-bl/

1. That cannot be defined
2. Hard to identify or describe

indefinˈableness noun

indefinˈably adverb

• water-brains
• water brash
• water brashes
• water break
• water breaks
• water-breather
• water-breathers
• water-breathing
• water brose
• waterbuck
• waterbucks
• water buffalo
• water buffaloes
• water bug
• water bugs
• water bull
• water bulls
• water bus
• water buses
• water busses
• water butt
• water butts
• water cannon
• water cannons
• water-carriage