KEY: Humanity.
SYN: Man, mankind, kindness, tenderness, compassion, sensibility,philanthropy, benevolence.
ANT: Unkindness, cruelty, inhumanity, bestiality, irrationality,barbarity.

• Observant
• Observation
• Observe
• Obsolete
• Obstacle
• Obstinacy, [See OBSTINATE]
• Obstinate
• Obstreperous
• Obstruct
• Obstruction
• Obtain, [See ACQUIRE]
• Obtestation
• Obtrude
• Obtuse
• Obumbrate
• Obverse, [See {[_]?}]
• Obvious
• Occasionally
• Occasion
• Occasion \v
• Occult
• Occupancy
• Occupant
• Occupation
• Occupier, [See OCCUPANT]