wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• numerical
• numerical analysis
• numerical control
• numerical forecasting
• numerically
• numeric keypad
• numeric keypads
• numerological
• numerologies
• numerologist
• numerologists
• numerology
• numerosities
• numerosity
• numero uno
• numero unos
• numerous
• numerously
• numerousness
• numerousnesses
• numerus clausus
• numina
• numinous
• numinouses
• numinousness