1. Not knowable
   "the unknowable mysteries of life"

See also: transcendent

Antonym: knowable

• Ruholla Khomeini
• Ruhr
• Ruhr River
• Ruhr Valley
• ruin
• ruinate
• ruination
• ruined
• ruiner
• ruining
• ruinous
• ruinously
• rule
• rule book
• rule in
• rule of cy pres
• rule of evidence
• rule of grammar
• rule of law
• rule of morphology
• rule of thumb
• rule out
• rule-governed
• ruled
• ruleless