12-Letter Words Starting with O

Oafishness

""OBDURATE to become hard-hearted, also OBDURE""

Objectify

Objectivism

Objectivist

""Lanceolate in the reversed order, that is, narrowing toward the point of attachment more than toward the apex.""

Oblateness

OBLIGING oblige

Erasing

Fantastic lob before repeat loss

The removal of oil to Iran - bet it goes astray!

Utter destruction

Tending or serving to obliterate.

Obliterator

In a sycophantic way ("Richard III")

In a servile way

Roughly Sobers admits VAT is charged for examinations

Measurements from an experiment soon vibrates all over the place

Process of becoming out of date

The state of falling into disuse

Out-of-date quality

""The state of being obsolete, or no longer used; a state of desuetude.""

Childbirth doctor

Medical specialist - is certain to get involved around start of birth (wordplay)

Expert with children, i.e. Scot involved with bairn taking temperature

Drunken bore's posture becomes unruly

Sober posture (anagram) - unruly

Noisy, hard to control

Obstructive

Obtuseness

Occidental

Scientific study of the seas

A subject for deep study

Study of the sea

Oceanology

One whose main interest is scientific

Sea scientist

Scientist involved with study of the seas

Ochlocracy

Octahedral

Octapeptide

Old man's gone out with raincoat

Robert Frost, for example.

Veteran's gone out in shabby raincoat

Octosyllabic.

Odiousness

President, for one.

Functionary from ticket endings

Last year's winner not skating - he's got a job

Officialese

Offishness

Oleaginous

English word

OLEORESIN A natural mixture of a terebinthinate oil and a resin.

An apparatus for measuring the acuity of the sense of smell.

Oligochaete

Oligophagy

Oligopsony

Omnipotence

With all-encompassing power

Being everywhere at once

Drunk in recompense for divine existence (wordplay)

Ubiquity

Omniscience

Omniscient

ONCOGENIC

Formation of words from natural sounds.

Cuckoo or "whippoorwill," for example

Formation of words like "buzz" or "hiss"

Sounding like its meaning

Pl. oophorectomies Surgical removal of one or both ovaries. Also called ovariectomy .

Opalescence

Opalescent

Opaqueness

Generously display palms

Generously

He'd lend, no pay, all required in most generous fashion

OPERATIC the technique of staging operas

""OPERATION The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.""

""OPERATION The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.""

OPERATOR one that {operates=v}

Unduly attached to one's own opinions; opinionated.

The quality or state of being opposite.

Oppressive

Optimality

Optometrist

Orchestral

Gold casket marked and scored

Arranged to have the dart score put out

Arranged for gold casket getting evaluated

ORCHESTRATE to write an orchestra score for; -- of a musical composition.

Arranges music

Narrow passages for killer whales (wordplay)

Or that scorer, perhaps (wordplay)

Speaker reserves royal box for arranger

Speaker keeps royal box for the organiser

""Pertaining to, or resembling, a natural order (Orchidace\'91) of endogenous plants of which the genus Orchis is the type. They are mostly perennial herbs having the stamens and pistils united in a single column, and normally three petals and three sepals, all adherent to the ovary. The flowers are curiously shaped, often resembling insects, the odd or lower petal (called the lip) being unlike the others, and sometimes of a strange and unexpected appearance. About one hundred species occur in the United States, but several thousand in the tropics. Orchidace\'91) of endogenous plants of which the genus Orchis is the type. They are mostly perennial herbs having the stamens and pistils united in a single column, and normally three petals and three sepals, all adherent to the ovary. The flowers are curiously shaped, often resembling insects, the odd or lower petal (called the lip) being unlike the others, and sometimes of a strange and unexpected appearance. About one hundred species occur in the United States, but several thousand in the tropics.""

Commonly encountered; usual. See Synonyms at common .

Organicity

""Making an impression upon an organ; plastic; said of the effect or impression produced by any substance on the organs of touch, taste, or smell, and also on the organism as a whole.""

Organology

Orientalism

Orientalist

ORIENTALIZE to render Oriental; to cause to conform to Oriental manners or conditions.

Orientalize

Orientation

Sport involving maps and compasses

Sport using map and compass

Orismology

By way of ornament.

Ornateness

Orneriness

Ornithopter

Pl. oropharynges (-f -r n j z) or oropharynxes The part of the pharynx between the soft palate and the epiglottis.

Oropharynx

Orotundity

Orthocenter

Plural or third person singular

""Biology progressive evolution, leading to the development of a new form, as can be seen through successive generations. See also society . ; orthogenetic , adj . Evolution the sociological theory that all cultures or societies follow the same fixed course of determinate evolution. See also evolution . ; orthogenetic,""

""Biology progressive evolution, leading to the development of a new form, as can be seen through successive generations. See also society . ; orthogenetic , adj . Evolution the sociological theory that all cultures or societies follow the same fixed course of determinate evolution. See also evolution . ; orthogenetic,""

The treatment of bone and muscle disorders

Rum do, as her topic is a medical speciality

Orthopedist

Orthopteran

Inflected form of ORTHOPTER Inflected form of ORTHO short for orthochromatic plate (a photographic plate)

Orthopter

Laboratory device for viewing waveforms

Laboratory instrument

Osmolality

Osmolarity

Ostentation

Given to showy display

Gaudy and garish

Showy and vulgar

""OSTEOBLAST One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.""

OSTEOCLAST A myeloplax.

OSTEOGEN a substance from which bone is formed

OSTEOGEN a substance from which bone is formed

Of or pertaining to osteology.

Osteologist

""A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia. malacia.""

Osteopathy

""Producing bone; as, osteoplastic cells. as, osteoplastic cells.""

""Pl. osteoporoses (-s z) A disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse.""

Brittle bones condition

Oops, Tories so affected by bodily weakness!

Bone deficiency

""Pl. osteoporoses (-s z) A disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse.""

A tumor having the structure of a sacroma in which there is a deposit of bone; sarcoma connected with bone.

Ostracoderm

Out of touch with reality

Relating to an imaginary realm

Spiritual; imaginary

Otioseness

Plural or third person singular

""A disease of the ear in which the movement of the stapes within the oval window becomes impeded by abnormal deposits of spongy bone, leading to a progressive loss of hearing.""

OUTACHIEVE

Outbargain

Outbreeding

OUTCOMPETE

OUTDATED outdate

Outdeliver

Outdesign

Left (a competitor) far behind

Leaves behind.

Excelled in military skill

Outglitter

OUTGOING expenditure

OUTINTRIGUE

Outintrigue

Outmaneuver

Outnumber

OUTORGANIZE

Outorganize

Outperform

""The process of facilitating a terminated employee's search for a new job by provision of professional services, such as counseling, paid for by the former employer.""

OUTPOPULATE

Outpopulate

Outpreach

In a shockingly bad manner

Outrebound

Word with prefix out-

OUTSIDER one who does not belong to a particular group

Extending broadly

(Of arms) extended

Poor tutors and the like he had extended

Fashion etc, the Tudors extended

Outstretch

OUTWRESTLE

Ovariotomy

ABSTRACT to draw away

Way, way, way too prevalent

On a roll, Dutch worker produces too much

ACHIEVED achieve

Academic Type A personality

Hardly a slacker

*Person who constantly exceeds expectations

Overachieve

ACTIVITY the state of being active

Overanalyse

Overanalysie

ANALYZED analyze

Overanalyze

Overarousal

ARRANGED arrange

Overarrange

Overassert

Fell down

Overbalance

Overbleach

Overbleach

Overborrow

Overbrows

Overbuild

Weighed down, like singer with too many choruses (wordplay)

More than is required for six deliveries (wordplay)

Problem with space? Ring father going back to room for everybody!

Overcasting

Overcaution

A curious vote, sadly going for the ultra-safe option (wordplay)

Electrician's worry?

Electrician's worry (wordplay)

Ripping off

Overchill

Overclaim

CLASSIFY to arrange in categories

Overclean

Overclear

Overcloud

Overcoach

COMPRESS to {compact=v}

Overconcern

CONSUMED consume

Overconsume

Overcontrol

Overcorrect

Overcount

Overcram

A civil rector sadly becoming too judgmental

Casanova loses the head with serious type that's hard to please

Overcrop

Presence of people beyond a comfortable level

Filling beyond what is usual or comfortable

DECORATE to {adorn=v}

Overdesign

Overdevelop

Overdirect

DISCOUNT to reduce the price of