O开头的英语单词

• onslaught
• obsolete
• obstruct
• object
• ownership
• ointment
• Oz
• operational
• old
• opportunity
• offender
• obscene
• odd
• obsession
• oppress
• outpouring
• ordinary
• outward
• outgoing
• obedience
• optometrist
• overeat
• omniscient
• occult
• overthrow
• opinion
• oligarch
• overseas
• ovum
• once
• ovary
• ostrich
• ox
• overflow
• onlooker
• Olympus
• omission
• outdoor
• overturn
• only
• orthopedic
• openly
• office
• orb
• outside
• orderly
• owe
• oasis
• own
• octet
• orient
• organize
• often
• oar
• Oedipus
• obstinacy
• overhaul
• occupied
• Ottawa
• optimization
• ow
• oil
• obnoxious
• orthodontics
• odious
• or
• opulent
• oldie
• obvious
• oration
• obituary
• outing
• overnight
• Odin
• organized
• orbicular
• opposite
• oppose
• orphanage
• obbligato
• outburst
• on
• overlook
• occlusion
• overjoy
• ought
• observatory
• Oxbridge
• objection
• outsmart
• outright
• overhead
• oracular
• overt
• overwhelmed
• oligarchy
• outlook
• obscurity
• oncology
• organ
• ordinance
• of
• oft
• ornery
• outrun
• overhear
• outcome
• outboard
• occur
• obstinate
• offence
• obfuscate
• officer
• overhand
• outlandish
• origin
• obverse
• occupational
• ominous
• officialese

因篇幅关系，字母O开头的单词只列出前 120 个；字母O开头的英语单词由盘文网提供查询