KEY: Rooted.
SYN: Fixed, established, grounded, based, inveterate, domiciled,naturalized, installed.
ANT: Unestablished, insecure, uncertain, wavering, unsettled,oscillating, dubious, precarious, superficial, specious, propped,bolstered, shored.

• Omnipotent
• Omniscient
• One
• Oneness, [See UNITY]
• Onerous
• Only_\a
• Only, adv
• Onset, [See ATTACK]
• Onslaught, [See ATTACK]
• Onward
• Ooze
• Opaque, [See TRANSPARENT]
• Open_\a
• Opening
• Open_\r
• Operate
• Operation
• Operative
• Operose
• Opine
• Opinion
• Opinionative
• Opponent, [See ADVERSARY]
• Opportune
• Opportunity