13-letter words containing o, s, b
- nonsubsidized — not subsidized
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- north by west — a point on the compass 11°15′ west of north. Abbreviation: NbW.
- object clause — the clause that acts as the object of a verb
- object lesson — a practical or concrete illustration of a principle.
- object pascal — (language) An object-oriented Pascal developed jointly by Apple Computer and Niklaus Wirth.
- objectiveness — something that one's efforts or actions are intended to attain or accomplish; purpose; goal; target: the objective of a military attack; the objective of a fund-raising drive.
- objectivistic — Of or pertaining to objectivism.
- objectivities — Plural form of objectivity.
- obliviousness — unmindful; unconscious; unaware (usually followed by of or to): She was oblivious of his admiration.
- obnoxiousness — highly objectionable or offensive; odious: obnoxious behavior.
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- observational — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- observatories — Plural form of observatory.
- observer team — a team deployed to an area of conflict to observe proceedings
- obsessionally — In an obsessional manner.
- obsessiveness — being, pertaining to, or resembling an obsession: an obsessive fear of illness.
- obsolescently — In an obsolescent manner.
- obstacle race — a foot race in which the contestants are prevented in a specific way from covering the full course at top speed, as by having hurdles to jump, sacks enclosing the legs, or potatoes to pick up.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- obstinateness — The characteristic of being obstinate.
- obstructively — In an obstructive manner.
- obtrusiveness — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
- octosyllables — Plural form of octosyllable.
- odontoblastic — Relating to odontoblasts.
- off the books — of or relating to a book or books: the book department; a book salesman.
- off-the-books — not recorded in account books or not reported as taxable income.
- oil-based mud — Oil-based mud is a drilling fluid that is an emulsion containing oil as the base fluid.
- ombudsmanship — The position or office of an ombudsman.
- ombudspersons — Plural form of ombudsperson.
- on one's back — the rear part of the human body, extending from the neck to the lower end of the spine.
- onus probandi — the burden of proof.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- opossum block — (in New Zealand) a block of bush allocated to a licensed opossum trapper
- opprobriously — In an opprobrious manner.
- ora pro nobis — a Latin invocation meaning pray for us
- osborne house — a house near Cowes on the Isle of Wight: the favourite residence of Queen Victoria, who died there; now a convalescent home
- osborne, adam — Adam Osborne
- ostensibility — The quality of being ostensible.
- osteoblastoma — (oncology) an uncommon osteoid tissue-forming primary neoplasm of the bone.
- osteofibrosis — loss of calcium from the bones, causing them to become fragile
- ostrobogulous — (humorous) Slightly risqu\u00e9 or indecent; bizarre, interesting, or unusual.
- out of bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- out-of-bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- over-abstract — thought of apart from concrete realities, specific objects, or actual instances: an abstract idea.
- overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- overembellish — Make (something) too ornate or complicated.
- overprescribe — to lay down, in writing or otherwise, as a rule or a course of action to be followed; appoint, ordain, or enjoin.
- overstability — the state of being excessively stable