10-letter words containing o, b, t, a
- mothballed — a small ball of naphthalene or sometimes of camphor for placing in closets or other storage areas to repel moths from clothing, blankets, etc.
- motor-boat — a boat propelled by an inboard or outboard motor.
- motorboats — Plural form of motorboat.
- mount bona — a mountain in S Alaska, in the Wrangell Mountains. Height: 5005 m (16 420 ft)
- mountebank — A person who deceives others, especially in order to trick them out of their money; a charlatan.
- movability — capable of being moved; not fixed in one place, position, or posture.
- move about — fidget, be restless
- muck about — moist farmyard dung, decaying vegetable matter, etc.; manure.
- multilobar — of or relating to a lobe, as of the lungs.
- myeloblast — an immature myelocyte.
- myoblastic — of or relating to a myoblast or myoblasts
- narrowboat — A canal boat less than 7 feet (2.1 m) wide with a maximum length of 70 feet (21.3 m) and steered with a tiller rather than a wheel.
- negotiable — capable of being negotiated: a negotiable salary demand.
- neuroblast — an immature nerve cell.
- nobilitate — (obsolete) To make noble; to ennoble; to exalt.
- non-combat — not including, entailing, or requiring combat: noncombat duty.
- noncabinet — not related to or belonging to a government cabinet
- nonpotable — fit or suitable for drinking: potable water.
- nontaxable — capable of being taxed; subject to tax: a taxable gain.
- nontobacco — not containing tobacco; tobacco-free
- nose about — the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.
- notability — the state or quality of being notable; distinction; prominence.
- notch baby — a person who was born in the U.S. between 1917 and 1921 and as a retiree received lower cost-of-living increases in Social Security than others after Congress readjusted Social Security benefits in 1977.
- notchbacks — Plural form of notchback.
- noticeable — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- noticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- notifiable — to inform (someone) or give notice to: to notify the police of a crime.
- obambulate — (intransitive) To walk about, to wander aimlessly.
- obbligatos — Plural form of obbligato.
- obdurately — In an obdurate manner; stubbornly, intractably or inflexibly.
- obduration — the process of becoming or the state of being obdurate, intractable and indifferent
- oberration — (obsolete) A wandering about.
- obfuscated — to confuse, bewilder, or stupefy.
- obfuscates — Third-person singular simple present indicative form of obfuscate.
- obfuscator — Agent noun of obfuscate; one who obfuscates.
- obituaries — Plural form of obituary.
- obituarist — a notice of the death of a person, often with a biographical sketch, as in a newspaper.
- objectable — Capable of being put forward as an objection.
- objuration — (rare) A firm binding by oath.
- objurgated — Simple past tense and past participle of objurgate.
- objurgates — Third-person singular simple present indicative form of objurgate.
- oblateness — (uncountable) The state of being oblate.
- oblational — Of or pertaining to oblation; oblatory.
- obligately — In an obligate manner.
- obligating — to bind or oblige morally or legally: to obligate oneself to purchase a building.
- obligation — something by which a person is bound or obliged to do certain things, and which arises out of a sense of duty or results from custom, law, etc.
- obligative — implying or involving obligation: an obligative commitment.
- obligators — Plural form of obligator.
- obligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- obliterans — Producing obstruction due to inflammation and fibrosis.