13-Letter Words Starting with O

Distasteful - noble Jacobite (anagram)

Distasteful

Obnoxious

""OBJECTION The act of objecting; as, to prevent agreement, or action, by objection. as, to prevent agreement, or action, by objection.""

Obliteration

Obnubilation

Obscurantism

People deliberately vague

Abstract noun (-ity)

Derived from visual evidence

Derived from visual examination - noble aviators (anagram)

Observatory

Obsessional

Obstetrical

Doctors specialising in childbirth

They make deliveries

Prenatal docs

Obstinate

(tr) to gain possession of; acquire; get

""OCCIDENTAL Of, pertaining to, or situated in, the occident, or west; western; opposed to oriental; as, occidental climates, or customs; an occidental planet. oriental; as, occidental climates, or customs; an occidental planet.""

Cousteau, for one

One who studies the seas

Woods Hole scientist.

The exploration and scientific study of the ocean and its phenomena. Also called oceanology .

Oceanologist

Of or pertaining to ochlocracy; having the form or character of an ochlocracy; mobocratic.

People in their 80's

People in their ninth decade

80 year olds

Octosyllabic

Octosyllable

ODONTOBLAST One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.

Nonchalant and cool manner

Oleandomycin

One or two spreads (wordplay)

Invention of 1868

*Kitchen sub*

Olfactometer

""A man who investigates complaints and mediates fair settlements, especially between aggrieved parties such as consumers or students and an institution or organization.""

Oneiromancy

ONOMASTIC Applied to a signature when the body of the instrument is in another's handwriting.

Onomastician

Onomatology

One versed in the history of names.

Onomatopoeia

Like "buzz" and "whir"

In an ontological manner.

Onychophoran

Openability

Without reservation

Operability

How doctors perform in the theatre (wordplay)

Having no leader, manage sensibly with respect to employment

Operationism

Operationist

Operative

Treatment of eye problems

Study of eyes

Branch of medicine concerned with the eye

Opinionated

""Pl. opisthobranchs Any of various marine gastropod mollusks of the subclass Opisthobranchia, characterized by gills, a shell that is reduced or absent, and two pairs of tentacles.""

Optimisation

Optimization

Optionality

Oracularity

Orchestrater

Stage-managing

Getting it into the right scale for music or bosom (wordplay)

Arrangement for lecture about royal box

Arrangement of gold part encircling box

Composer's skill

Orchestrator

Speeches welcoming surprising gains for companies

Societies

Organization

Biology ()

The origin and development of organs in animals and plants.

Biology ()

""ORGIASTIC Pertaining to, or of the nature of, orgies.""

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

""ORIENTATION The act or process of orientating; determination of the points of the compass, or the east point, in taking bearings.""

Originality

Originative

Of or pertaining to orismology.

Detailed artistic embellishment

Decoration, embellishment

Decorative work

""Of, belonging to, or characteristic of the order Ornithischia.""

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

Orthoepical

""ORTHOGONAL Rightangled; rectangular; as, an orthogonal intersection of one curve with another. as, an orthogonal intersection of one curve with another.""

""ORTHOGONAL Rightangled; rectangular; as, an orthogonal intersection of one curve with another. as, an orthogonal intersection of one curve with another.""

Orthography

""OSCILLATION The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.""

Oscillograph

OSCILLOGRAPH a device for making a record of the wave forms of fluctuating .

Ossification

Osteomalacia

Osteoplasty

Osteosarcoma

Outbargain

OUTDISTANCE

Outgeneral

Outmaneuver

OUTMANIPULATE

OUTORGANIZE

Outplacement

OUTPOPULATE

Exceptionally well

Outwardness

Ovariectomy

Word with prefix over-

Excess quantity

Excessive quantity

Surplus, excess

Overachiever

ACHIEVING achieve

ADVERTISE

""AMBITIOUS Possessing, or controlled by, ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction.""

AMPLIFIED amplify

ANALYZING analyze

Overanxiety

ARRANGING arrange

Overassert

Overassert

Overassert

""ATTENTION The act or state of attending or heeding; the application of the mind to any object of sense, representation, or thought; notice; exclusive or special consideration; earnest consideration, thought, or regard; obedient or affectionate heed; the supposed power or faculty of attending.""

A bracing novel oddly needing to be straightened

Overbearing

Overbleach

BREATHING breathe

Past tense or past participle

DECORATED decorate

Overdecorate

DEMANDING demand

DOMINANCE

To present in an overly dramatic manner.

Overeager

EDUCATING educate

""EDUCATION The act or process of educating; the result of educating, as determined by the knowledge skill, or discipline of character, acquired; also, the act or process of training by a prescribed or customary course of study or discipline; as, an education for the bar or the pulpit; he has finished his education. as, an education for the bar or the pulpit; he has finished his education.""

Too complicated

Showing excessive feeling

Showing excessive feelings

""EMPHASIZE To utter or pronounce with a particular stress of voice; to make emphatic; as, to emphasize a word or a phrase. as, to emphasize a word or a phrase.""

""ENCOURAGE To give courage to; to inspire with courage, spirit, or hope; to raise, or to increase, the confidence of; to animate; enhearten; to incite; to help forward; the opposite of discourage. discourage.""

ESTIMATED estimate

Regards too highly

Overexpand

EXPANSION The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.

adv. across a barrier or intervening space

""EXUBERANT Characterized by abundance or superabundance; plenteous; rich; overflowing; copious or excessive in production; as, exuberant goodness; an exuberant intellect; exuberant foliage. as, exuberant goodness; an exuberant intellect; exuberant foliage.""

""Inflected form of GLAMORIZE Inflected form of GLAMOR to bewitch, also GLAMOUR""

Overharvest

IDEALIZED idealize

Overidealize

INFLATING inflate

One cause of premature tread wear (4,9)

Overissuance

Overmaster

MEDICATED medicate

Overmedicate

OPERATING operate

ORGANIZED organize

Overorganize

Overornament

PACKAGING package

PEDALLING pedal

PERSUADED persuade

Overpersuade

Having too many people

Overpopulate

Overprogram

Too educated (for a job)

Having passed too many exams

REACTIONS reaction

REGULATED regulate

Overregulate

Overreliance

SATURATED saturate

Oversaturate

Appearing more important than

Overslaugh

""SPECULATE To consider by turning a subject in the mind, and viewing it in its different aspects and relations; to meditate; to contemplate; to theorize; as, to speculate on questions in religion; to speculate on political events. as, to speculate on questions in religion; to speculate on political events.""

Overspread

""STABILITY The state or quality of being stable, or firm; steadiness; firmness; strength to stand without being moved or overthrown; as, the stability of a structure; the stability of a throne or a constitution. as, the stability of a structure; the stability of a throne or a constitution.""

Hyperbolist's report

Exaggeration about summary of financial position

Remaining financial record showing extravagance

""STIMULATE To excite as if with a goad; to excite, rouse, or animate, to action or more vigorous exertion by some pungent motive or by persuasion; as, to stimulate one by the hope of reward, or by the prospect of glory. as, to stimulate one by the hope of reward, or by the prospect of glory.""

Overstrain

TALKATIVE Given to much talking.

Overtaxation

""TREATMENT The act or manner of treating; management; manipulation; handling; usage; as, unkind treatment; medical treatment. as, unkind treatment; medical treatment.""

Excessive valuation; overestimate.

""OVIPOSITION The depositing of eggs, esp. by insects.""

Producing eggs that are hatched in the mother's body

Oxaloacetate

Black and white wader

Pied coastal wading bird

Bird of the seashore