Webster's Unabridged Dictionary - Letter O - Page 5

Obstetric (a.) Alt. of Obstetrical

Obstetrical (a.) Of or pertaining to midwifery, or the delivery of women in childbed; as, the obstetric art.

Obstetricate (v. i.) To perform the office of midwife.

Obstetricate (v. t.) To assist as a midwife.

Obstetrication (n.) The act of assisting as a midwife; delivery.

Obstetrician (n.) One skilled in obstetrics; an accoucheur.

Obstetricious (a.) Serving to assist childbirth; obstetric; hence, facilitating any bringing forth or deliverance.

Obstetrics (n.) The science of midwifery; the art of assisting women in parturition, or in the trouble incident to childbirth.

Obstetricy (n.) Obstetrics.

Obstinacy (n.) A fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.

Obstinacy (n.) The quality or state of being difficult to remedy, relieve, or subdue; as, the obstinacy of a disease or evil.

Obstinate (a.) Pertinaciously adhering to an opinion, purpose, or course; persistent; not yielding to reason, arguments, or other means; stubborn; pertinacious; -- usually implying unreasonableness.

Obstinate (a.) Not yielding; not easily subdued or removed; as, obstinate fever; obstinate obstructions.

Obstination (n.) Obstinacy; stubbornness.

Obstipation (n.) The act of stopping up, as a passage.

Obstipation (n.) Extreme constipation.

Obstreperous (a.) Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous.

Obstriction (n.) The state of being constrained, bound, or obliged; that which constrains or obliges; obligation; bond.

Obstringe (v. t.) To constrain; to put under obligation.

Obstructed (imp. & p. p.) of Obstruct

Obstructing (p. pr. & vb. n.) of Obstruct

Obstruct (v. t.) To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.

Obstruct (v. t.) To be, or come, in the way of; to hinder from passing; to stop; to impede; to retard; as, the bar in the harbor obstructs the passage of ships; clouds obstruct the light of the sun; unwise rules obstruct legislation.

Obstructer (n.) One who obstructs or hinders.

Obstruction (n.) The act of obstructing, or state of being obstructed.

Obstruction (n.) That which obstructs or impedes; an obstacle; an impediment; a hindrance.

Obstruction (n.) The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.

Obstructionism (n.) The act or the policy of obstructing progress.

Obstructionist (n.) One who hinders progress; one who obstructs business, as in a legislative body.

Obstructionist (a.) Of or pertaining to obstructionists.

Obstructive (a.) Tending to obstruct; presenting obstacles; hindering; causing impediment.

Obstructive (n.) An obstructive person or thing.

Obstruent (a.) Causing obstruction; blocking up; hindering; as, an obstruent medicine.

Obstruent (n.) Anything that obstructs or closes a passage; esp., that which obstructs natural passages in the body; as, a medicine which acts as an obstruent.

Obstupefaction (n.) See Stupefaction.

Obstupefactive (a.) Stupefactive.

Obstupefy (v. t.) See Stupefy.

Obtained (imp. & p. p.) of Obtain

Obtaining (p. pr. & vb. n.) of Obtain

Obtain (v. t.) To hold; to keep; to possess.

Obtain (v. t.) To get hold of by effort; to gain possession of; to procure; to acquire, in any way.

Obtain (v. i.) To become held; to gain or have a firm footing; to be recognized or established; to subsist; to become prevalent or general; to prevail; as, the custom obtains of going to the seashore in summer.

Obtain (v. i.) To prevail; to succeed.

Obtainable (a.) Capable of being obtained.

Obtainer (n.) One who obtains.

Obtainment (n.) The act or process of obtaining; attainment.

Obtected (a.) Covered; protected.

Obtected (a.) Covered with a hard chitinous case, as the pupa of certain files.

Obtemper (v. t. & i.) To obey (a judgment or decree).

Obtemperate (v. t.) To obey.

Obtended (imp. & p. p.) of Obtend

Obtending (p. pr. & vb. n.) of Obtend

Obtend (v. t.) To oppose; to hold out in opposition.

Obtend (v. t.) To offer as the reason of anything; to pretend.

Obtenebration (n.) The act of darkening; the state of being darkened; darkness.

Obtension (n.) The act of obtending.

Obtested (imp. & p. p.) of Obtest

Obtesting (p. pr. & vb. n.) of Obtest

Obtest (v. t.) To call to witness; to invoke as a witness.

Obtest (v. t.) To beseech; to supplicate; to beg for.

Obtest (v. i.) To protest.

Obtestation (n.) The act of obtesting; supplication; protestation.

Obtrectation (n.) Slander; detraction; calumny.

Obtruded (imp. & p. p.) of Obtrude

Obtruding (p. pr. & vb. n.) of Obtrude

Obtrude (v. t.) To thrust impertinently; to present without warrant or solicitation; as, to obtrude one's self upon a company.

Obtrude (v. t.) To offer with unreasonable importunity; to urge unduly or against the will.

Obtrude (v. i.) To thrust one's self upon a company or upon attention; to intrude.

Obtruder (n.) One who obtrudes.

Obtruncate (v. t.) To deprive of a limb; to lop.

Obtruncation (n.) The act of lopping or cutting off.

Obtrusion (n.) The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world.

Obtrusion (n.) That which is obtruded.

Obtrusionist (n.) One who practices or excuses obtrusion.

Obtrusive (a.) Disposed to obtrude; inclined to intrude or thrust one's self or one's opinions upon others, or to enter uninvited; forward; pushing; intrusive.

Obtunded (imp. & p. p.) of Obtund

Obtunding (p. pr. & vb. n.) of Obtund

Obtund (v. t.) To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall.

Obtundent (n.) A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; -- nearly the same as demulcent.

Obtunder (n.) That which obtunds or blunts; especially, that which blunts sensibility.

Obturation (n.) The act of stopping up, or closing, an opening.

Obturator (n.) That which closes or stops an opening.

Obturator (n.) An apparatus designed to close an unnatural opening, as a fissure of the palate.

Obturator (a.) Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.

Obtusangular (a.) See Obstuseangular.

Obtuse (superl.) Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.

Obtuse (superl.) Not having acute sensibility or perceptions; dull; stupid; as, obtuse senses.

Obtuse (superl.) Dull; deadened; as, obtuse sound.

Obtuse-angled (a.) Alt. of obtuse-angular

obtuse-angular (a.) Having an obtuse angle; as, an obtuse-angled triangle.

Obtusely (adv.) In an obtuse manner.

Obtuseness (n.) State or quality of being obtuse.

Obtusion (n.) The act or process of making obtuse or blunt.

Obtusion (n.) The state of being dulled or blunted; as, the obtusion of the senses.

Obtusity (n.) Obtuseness.

Obumbrant (a.) Overhanging; as, obumbrant feathers.

Obumbrate (v. t.) To shade; to darken; to cloud.

Obumbration (n.) Act of darkening or obscuring.

Obuncous (a.) Hooked or crooked in an extreme degree.

Obvention (n.) The act of happening incidentally; that which happens casually; an incidental advantage; an occasional offering.

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