1. Habitually complaining
   - fretful, querulous, whiny

See also: complaining, complaintive, whine

• oddball
• oddish
• oddity
• oddly
• oddment
• oddments
• oddness
• Oddone Colonna
• odds
• odds and ends
• odds and sods
• odds-maker
• odds-on
• ode
• odeon
• Oder
• Oder River
• Odesa
• Odessa
• Odets
• odeum
• odiferous
• Odin
• odious
• odiously