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.""

Objectivity.

OBJECTIVIST

Objectivity

Obliteration

Obnubilation

Obscurantism

People deliberately vague

Abstract noun (-ity)

Derived from visual evidence

Derived from visual examination - noble aviators (anagram)

Observatory

Obsolescent

Obstetrical

Doctors specialising in childbirth

They make deliveries

Prenatal docs

Obstinate

(tr) to gain possession of; acquire; get

Obtrusive

""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.""

Oceanologist

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

The cardinal number equal to 10 57 .

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.

""(Life Sciences & Allied Applications / Plants) any epiphytic orchid of the tropical American genus Odontoglossum, having clusters of brightly coloured flowers""

Olfactometer

Trade

Able to judge or deal with all matters omnicompetence   n

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.

Openability

Without reservation

Openmouthed

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.""

Opportune

Ready to take any advantage

Taking immediate advantage

Exploiting passing advantages

Part 2 of the quote

Points out ripe possibilities of advancement

Tie up troops in creating chances of advancement

One on the other side

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 ()

""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.""

ORIENTEERING orienteer

Originality

Originative

Detailed artistic embellishment

Decoration, embellishment

Decorative work

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

Ornithology

Birdman (or woman)

Person who studies birds

Student of birds

Canine fixers

According to Cockney, they work on Hampstead Heath

Don't put in sir's tooth wonky! They should straighten it out

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

Orthopterist

ORTHOPTEROID orthopter

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

Ossification

Osteomalacia

A usually bacterial infection of bone and bone marrow in which the resulting inflammation can lead to a reduction of blood supply to the bone.

Osteoplasty

Osteosarcoma

Ototoxicity

Outbargain

Outdeliver

OUTDISTANCE

Outgeneral

Outglitter

OUTINTRIGUE

Outmaneuver

OUTMANIPULATE

OUTORGANIZE

Outperform

Outplacement

Outpolitick

OUTPOPULATE

Outrebound

OUTREPRODUCE

Outreproduce

Lack of verbal restraint

Exceptionally well

Outstretch

Outwardness

Ovariectomy

Word with prefix over-

ADVERTISE

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

Overanxiety

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.""

BREATHING breathe

Past tense or past participle

COMMITTED commit

Cocky drunk I've confronted

Too sure of oneself

Excessively self-assured

""CONSTRUCT To put together the constituent parts of (something) in their proper place and order; to build; to form; to make; as, to construct an edlifice. as, to construct an edlifice.""

Overcorrect

DECORATED decorate

Overdecorate

""DEPENDENT Hanging down; as, a dependent bough or leaf. as, a dependent bough or leaf.""

Overdirect

Overdiscount

DIVERSITY A state of difference; dissimilitude; unlikeness.

Overdocument

To present in an overly dramatic manner.

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

ENERGETIC

ESTIMATED estimate

Regards too highly

EXERTIONS exertion

Overexploit

Making too long

EXTENSION The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.

""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.""

""FERTILIZE To make fertile or enrich; to supply with nourishment for plants; to make fruitful or productive; as, to fertilize land, soil, ground, and meadows. as, to fertilize land, soil, ground, and meadows.""

Overharvest

Prone to spoil (others)

Yielding too much to temptation

Too ready to allow others their way

INFLATING inflate

One cause of premature tread wear (4,9)

INGENUITY The quality or power of ready invention; quickness or acuteness in forming new combinations; ingeniousness; skill in devising or combining.

""INSISTENT Standing or resting on something; as, an insistent wall. as, an insistent wall.""

""INTENSITY The state or quality of being intense; intenseness; extreme degree; as, intensity of heat, cold, mental application, passion, etc. as, intensity of heat, cold, mental application, passion, etc.""

Overlengthen

Overmaster

MEDICATED medicate

Overmedicate

""NUTRITION In the broadest sense, a process or series of processes by which the living organism as a whole (or its component parts or organs) is maintained in its normal condition of life and growth.""

OPERATING operate

Overoptimism

Overoptimist

Overornament

Having too many people

Overpopulate

PROMOTING promote

Overprotect

REACTIONS reaction

REGULATED regulate

Overregulate

Overreport

SATURATED saturate

Oversaturate

""SECRETION The act of secreting or concealing; as, the secretion of dutiable goods. as, the secretion of dutiable goods.""

Too quick to react

Excessively likely to be upset

""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.""

""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

Overstress

Too thinly spread

Made excessive demands on

Too extended

Overstretch

Oversweeten

Oversweet

TALKATIVE Given to much talking.

Overtaxation

Overtighten

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

UTILIZING utilize

Excessive valuation; overestimate.

Overweight

Overwinter

Overwithhold

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

Oxaloacetate

Black and white wader

Pied coastal wading bird

Bird of the seashore