15-Letter Words Starting with O

Dehumanising, if CIA somehow infiltrates dissent

OBJECTIVENESS Objectivity.

OBLIVIOUSNESS oblivious

OBNOXIOUSNESS obnoxious

Observational

OBSESSIVENESS obsessive

OBSTINATENESS obstinate

Obstructionism

Filibusterers

Obstructive

Obtainability

OBTRUSIVENESS obtrusive

OCCIDENTALIZE

Rise of gas with cheap coal I moved about, referring to marine studies

Odoriferous

OFFENSIVENESS offensive

OFFHANDEDNESS offhanded

OFFICIOUSNESS officious

One of the cells comprising the oligodendroglia.

""Neuroglia consisting of cells similar to but smaller than astrocytes, found in the central nervous system and associated with the formation of myelin.""

""A polymer that consists of two, three, or four monomers.""

A short polymer of two to twenty nucleotides.

Omnicompetence

Like some antennae

Like versatile antennas

Remind coalition about covering all angles

""ONTOGENETIC Of or pertaining to ontogenesis; as, ontogenetic phenomena. as, ontogenetic phenomena.""

Candor.

Openmouthed

Operationalism

Operationalist

OPERATIVENESS operative

Opinionated

OPPORTUNENESS opportune

Opprobrious

Optoelectronic

ORCHESTRATION The arrangement of music for an orchestra; orchestral treatment of a composition; called also instrumentation. instrumentation.

Organochlorine

An organic compound that contains mercury.

Organometallic

Chemical has ruined oath on paper <197> gosh!

Orientational

ORTHODONTIC Of or pertaining to orthodontics or orthodontia.

Orthogonality

ORTHOGONALIZE

Osmoregulation

Camper's quality

OUTMANIPULATE

OUTSPOKENNESS outspoken

Present participle or gerund

Inflected form of ACCENTUATED Inflected form of ACCENTUATE To pronounce with an accent or with accents.

Overaccentuate

""ACHIEVEMENT The act of achieving or performing; an obtaining by exertion; successful performance; accomplishment; as, the achievement of his object. as, the achievement of his object.""

Overadjustment

ADVERTISING a communication publicly promoting some product or service.

""APPLICATION The act of applying or laying on, in a literal sense; as, the application of emollients to a diseased limb. as, the application of emollients to a diseased limb.""

Overassessment

""CENTRALIZED drawn toward a center or brought under the control of a central authority; as, centralized control of emergency relief efforts; centralized government. Opposite of decentralized.as, centralized control of emergency relief efforts; centralized government. Opposite of decentralized.""

Overcentralize

Overclassify

Overcommitment

COMMUNICATE To share in common; to participate in.

More than made up (for)

Tried too hard, in a way

Tries too hard to make up for a weakness

Rewards unduly

Acts excessively

Overcompliance

Overcompress

Overconfidence

With too much aplomb

Overconstruct

Target of satire in Dr. Seuss's 'The Lorax'

Target of satire in Dr. Seuss's "The Lorax"

CONTROLLING control

CULTIVATION The art or act of cultivating; improvement for agricultural purposes or by agricultural processes; tillage; production by tillage.

Overdecoration

Overdependence

Photographer's goof

Sierra Club concern

Do men ever love PT, working out, bodybuilding (wordplay)

Overdiscount

Overdocument

""Inflected form of DRAMATIZING Inflected form of DRAMATIZE To compose in the form of the drama; to represent in a drama; to adapt to dramatic representation; as, to dramatize a novel, or an historical episode. as, to dramatize a novel, or an historical episode.""

EAGERNESSES eagerness

On English research site, speaking at length and adding too much detail

ELABORATION The act or process of producing or refining with labor; improvement by successive operations; refinement.

Attaching too much weight to

Stressing excessively

Finished the map off, losing time measuring and marking too much

ENCOURAGING Furnishing ground to hope; inspiriting; favoring.

Overengineer

Showed too much of a good time

Overenthusiasm

Unduly high appraisals

Unrealistic value assessments

Overevaluation

EXPECTATION The act or state of expecting or looking forward to an event as about to happen.

Overextraction

""EXTRAVAGANT Wandering beyond one's bounds; roving; hence, foreign.""

""Inflected form of FERTILIZING Inflected form of 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.""

""GENERALIZED Comprising structural characters which are separated in more specialized forms; synthetic; as, a generalized type. as, a generalized type.""

Has nonspecific opinions, e.g

Has nonspecific opinions, for example

Inflected form of GLAMORIZING Inflected form of GLAMORIZE

""HOMOGENIZED formed by blending unlike elements, especially by reducing one element to particles and dispersing them throughout another substance.""

Overhomogenize

Overidentify

A little too clever

Too fanciful

Uncovered single ruinous excesses

Banquet perils

Overingenuity

Overintensity

Overinvestment

Overlengthen

Overmedication

OPINIONATED Stiff in opinion; firmly or unduly adhering to one's own opinion or to preconceived notions; obstinate in opinion.

Overornament

Overpersuasion

Overpopulation

PRESCRIBING

Surpluses

PROGRAMMING program

Overproportion

PROTECTIONS protection

Overrefinement

Overregulation

REPRESENTED represent

Oversaturation

""SENSITIVITY The quality or state of being sensitive; used chiefly in science and the arts; as, the sensitivity of iodized silver. as, the sensitivity of iodized silver.""

Making it seem easy

""Inflected form of SPECULATING Inflected form of 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.""

SPECULATION The act of speculating.

""Inflected form of STIMULATING Inflected form of 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.""

""STIMULATION The act of stimulating, or the state of being stimulated.""

SUBSCRIBING

SWEETNESSES sweetness

Exploitation to the point of diminishing returns.

Overwithhold

Overzealous

Arthritis drug [41 points]

""A broad-spectrum antibiotic, C 22 H 24 N 2 O 9 , derived from the actinomycete Streptomyces rimosus and used to treat a variety of bacterial infections.""