English to English Dictionary
English to English vocabulary, definitions, and idioms. Explore comprehensive definitions, pronunciations, grammatical contexts, and cultural origins.
Browse English by Letter(Filtered by Letter “O”)
Clear Letter FilterEnglish Words Starting with “O”
Showing 18 of 39 words/əˈpɪnjən piːs/ [opinion piece]
[noun] An article in a publication such as a newspaper or magazine that expresses the personal views, beliefs, or commentary of the writer rather than purely objective news reporting.
/ˈɒp.ə.zɪt/ [opposite]
[adjective] Situated on the other or further side when compared to something else; facing something, especially talking about positions.
/ˈɒp.tɪ.kəl ɪˈluː.ʒən/ [optical illusion]
[noun] An experience of sight that is deceptive or misleading, causing the viewer to perceive something that differs from objective reality.
/ˈɔːr.ə.kəl/ [oracle]
[noun] A priest or priestess acting as a medium through whom advice or prophecy was sought from the gods in classical antiquity.
/ˈɔːr.əl ˈkæv.ə.ti/ [oral cavity]
[noun] The first part of the alimentary canal that receives food and saliva, bounded by the lips, cheeks, palate, and floor of the mouth; the mouth.
/ɔːrˈɡæn.ɪk ˈɒb.dʒɪkt/ [organic object]
[noun] A physical entity that is or was once part of a living organism, characterized by carbon-based chemical structures.
/ˌɔːri.ənˈteɪ.ʃən/ [orientation]
[noun] The determination of the relative position of something or someone, especially in relation to the points of a compass or other specific reference points.
/ɔːrˈneɪt/ [ornate]
[adjective] Made in an intricate shape or decorated with complex patterns; elaborately or excessively ornamented.
/ˈɒs.ɪ.leɪt/ [oscillate]
[verb] To move or swing back and forth at a regular speed; to waver between extremes of opinion, action, or quality.
/ˌɒs.tənˈteɪ.ʃəs/ [ostentatious]
[adjective] Characterized by vulgar or pretentious display; designed to impress or attract notice.
/ˈʌð.ɚ ˈɔːr.iˌen.tɪd/ [other-oriented]
[adjective] Directed toward or focused on the needs, interests, feelings, and perspectives of other people rather than oneself.
/ˌaʊt əv ˈsaɪt/ [out of sight]
[adverb] No longer visible; hidden from view.
/ˈaʊt.kraɪ/ [outcry]
[noun] A strong, public expression of protest, indignation, or disapproval.
/ˈaʊt.fɪt/ [outfit]
[noun] A set of clothes worn together, usually for a specific occasion or purpose.
/ˈaʊt.lɛts/ [outlets]
[noun] A receptacle in a wall connected to a power supply for plugging in electrical devices.
/ˈaʊt.pʊt/ [output]
[noun] The amount of something produced by a person, machine, or industry.
/ˈaʊt.skɜːrts/ [outskirts]
[noun] The outer parts of a town, city, or district, typically located furthest from the center.
/ˌoʊ.vɚˈnaɪt steɪ/ [overnight stay]
[noun] A period of lodging or accommodation in a place that lasts for the duration of one night.