9-letter words containing o, b, t, a
- nabothian — Alternative form of Nabothian.
- nanotubes — Plural form of nanotube.
- nonbattle — Not of or pertaining to battle.
- nonbeauty — Absence of beauty; unbeautifulness.
- noncombat — not including, entailing, or requiring combat: noncombat duty.
- nontribal — not related to, originating from, or involving a tribe or tribes
- north bay — a city in SE Ontario, in S Canada.
- not a bit — not at all
- nota bene — note well; take note
- notabilia — things worthy of notice
- notchback — a style of back for an automobile in which there is a sharp vertical drop-off from the roof line to the trunk.
- noticable — Misspelling of noticeable.
- oathbound — Bound by an oath.
- obbligato — (used as a musical direction) obligatory or indispensable; so important that it cannot be omitted.
- obclavate — inversely clavate.
- obcordate — heart-shaped, with the attachment at the pointed end, as a leaf.
- obcuneate — inversely cuneate.
- obfuscate — to confuse, bewilder, or stupefy.
- objectpal — Object-oriented database language, part of Borland's MS-Windows version of Paradox.
- objurgate — to reproach or denounce vehemently; upbraid harshly; berate sharply.
- oblations — Plural form of oblation.
- obligated — to bind or oblige morally or legally: to obligate oneself to purchase a building.
- obligatee — (government) A person who is obligated by law to do something.
- obligates — Third-person singular simple present indicative form of obligate.
- obligator — to bind or oblige morally or legally: to obligate oneself to purchase a building.
- obliviate — To forget, to wipe from existence.
- oblongata — medulla oblongata.
- obovately — in an obovate manner
- obscurant — a person who strives to prevent the increase and spread of knowledge.
- obsecrate — to entreat solemnly; beseech; supplicate.
- observant — quick to notice or perceive; alert.
- obstacles — Plural form of obstacle.
- obstinacy — the quality or state of being obstinate; stubbornness.
- obstinant — (proscribed) Obstinate.
- obstinate — firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.
- obtaineth — (archaic) Third-person singular present simple form of 'obtain'.
- obtaining — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- obturator — to stop up; close.
- obumbrant — overhanging; projecting over another part.
- obumbrate — to darken, overshadow, or cloud.
- obviating — Present participle of obviate.
- obviation — to anticipate and prevent or eliminate (difficulties, disadvantages, etc.) by effective measures; render unnecessary: to obviate the risk of serious injury.
- obviative — Describing such a marker.
- orbituary — Orbital.
- outbacker — a person who lives in the Australian outback
- outboards — Plural form of outboard.
- outbraved — Simple past tense and past participle of outbrave.
- outbrazen — to be more brazen or impudent than
- outbreaks — Plural form of outbreak.
- outdebate — to outdo or defeat in debate