GRE: #100 Place your mouse above the vocabulary word to see its simplified meaning. Click on the link to see additional meaning from dictionaries, wikipedia, and sample usage in sentences such as famous quotation, current news and more.
Omniscient
Omnivorous
Onerous
Onomatopoeia
Onslaught
Onus
Ooze
Opalescent
Opaque
Opiate
Opportune
Opportunist
Opprobrium
Optician
Optimist
Optimum
Optional
Optometrist
Opulence
Opus
Oracular
Orator
Oratorio
Ordain
Ordeal
Ordinance
Ordination
Orgy
Orient
Orientation

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