8-letter words starting with o
- off-ramp — an exit lane for traffic from a turnpike or freeway to a street.
- off-road — designed, built, or used for traveling off public roads, especially on unpaved roads, trails, beaches, or rough terrain: an off-road vehicle.
- off-site — not on the premises
- off-year — An off-year is a year when no major political elections are held.
- offboard — not carried, installed, etc., within a vehicle or electronic device: offboard software to track and control the robot's movement.
- offences — Plural form of offence.
- offended — to irritate, annoy, or anger; cause resentful displeasure in: Even the hint of prejudice offends me.
- offender — to irritate, annoy, or anger; cause resentful displeasure in: Even the hint of prejudice offends me.
- offenses — Plural form of offense.
- offer up — present as a sacrifice
- offerers — Plural form of offerer.
- offereth — (archaic) Third-person singular simple present indicative form of offer.
- offering — an act or instance of offering: an offer of help.
- officers — Plural form of officer.
- official — a person appointed or elected to an office or charged with certain duties.
- offloads — Plural form of offload.
- offprint — Also called separate. a reprint of an article that originally appeared as part of a larger publication.
- offshoot — a branch or lateral shoot from a main stem, as of a plant.
- offshore — off or away from the shore: They pushed the boat offshore.
- offsider — an assistant or helper.
- offstage — off the stage or in the wings; away from the view of the audience (opposed to onstage).
- offtrack — occurring or carried on away from a racetrack: offtrack betting.
- oftenest — (dated) Superlative form of often.
- ofttimes — often.
- ogeechee — a river in E Georgia, flowing SE to the Atlantic Ocean. 250 miles (402 km) long.
- oghamist — Alternative capitalization of Oghamist.
- ogresses — Plural form of ogress.
- ohmmeter — an instrument for measuring electric resistance in ohms.
- oil cake — a cake or mass of linseed, cottonseed, soybean, or the like, from which the oil has been extracted or expressed, used as food for livestock.
- oil city — a city in NW Pennsylvania, on the Allegheny River.
- oil drum — a metal drum used to contain or transport oil
- oil find — the discovery of oil deposits underground or under the sea
- oil lamp — lamp that burns fuel
- oil meal — oil cake ground into small particles for livestock feed.
- oil palm — an African feather palm, Elaeis guineensis, the fruits of which yield palm oil.
- oil pump — An oil pump is a pump that sends lubricating oil under pressure to the bearings and other lubricated surfaces of an engine.
- oil sand — a sand or sandstone containing oil or tarry residue in the pore spaces.
- oil tank — any tank for containing or storing oil such as a very large oil storage container at a refinery; a large oil storage area on an oil tanker; or a smaller container for the storage of heating oil at a property
- oil well — a well that yields or has yielded oil.
- oilcloth — a cotton fabric made waterproof by being treated with oil and pigment, for use as tablecloths, shelf coverings, and the like.
- oilfield — an area in which there are large deposits of oil.
- oilfired — (of central heating) using oil as fuel
- oiliness — smeared or covered with oil; greasy: an oily road surface.
- oilpaper — a paper made waterproof and translucent by treatment with oil.
- oilproof — resistant to oil
- oilsands — Plural form of oilsand.
- oilseeds — Plural form of oilseed.
- oilskins — A waterproof garment, made from oilskin, used especially at sea.
- oilstone — a block of fine-grained stone, usually oiled, for putting the final edge on certain cutting tools by abrasion.
- oiltight — constructed to be impervious to oil: an oiltight bulkhead.