Alphabetical Opposite Word List – O

English Opposite / Antonym Words List – O

• occasionally – frequently
• occupied – vacant
• odd – even
• off – on
• often – seldom
• old – modern
• on – off
• open – closed
• open – closed
• opponent – supporter
• order – mess
• ordinary – special
• other – same
• out – in
• outside – inside
• outskirts – centre
• over – under