Nouns

obsessivity

noun

extreme compulsiveness

obstinance

noun

resolute adherence to your own ideas or desires

obstipation

noun

severe constipation resulting from an obstruction in the int...

obstreperousness

noun

noisy defiance

obstructer

noun

any structure that makes progress difficult

obstructionism

noun

deliberate interference

obstructor

noun

any structure that makes progress difficult

obtainment

noun

the act of obtaining

obtuseness

noun

the quality of being slow to understand

obviation

noun

the act of preventing something by anticipating and disposin...

occurrent

noun

an event that happens

oceanaut

noun

a skilled worker who can live in underwater installations an...

oceanites

noun

a genus of Hydrobatidae

oceanology

noun

the branch of science dealing with physical and biological a...

oceanus

noun

(Greek mythology) god of the stream that flowed around the e...

ochlocracy

noun

a political system in which a mob is the source of control;...

ochna

noun

type genus of Ochnaceae; evergreen trees and shrubs of Old W...

ochnaceae

noun

family of tropical evergreen trees and shrubs with thick shi...

ochotona

noun

type genus of the Ochotonidae

ochotonidae

noun

pikas and extinct forms

ochroma

noun

one species: balsa

ochronosis

noun

an accumulation of dark pigment in cartilage and other conne...

ochs

noun

United States newspaper publisher (1858-1935)

ocimum

noun

basil

octans

noun

the constellation that includes the southern celestial pole

octette

noun

eight performers or singers who perform together

octoberfest

noun

a strong lager made originally in Germany for the Oktoberfes...

octopoda

noun

octopuses and paper nautilus

octopodidae

noun

a family of Octopoda

oculism

noun

the craft of an oculist

ocyurus

noun

snappers

oddments

noun

a motley assortment of things

odesa

noun

a port city of south central Ukraine on an arm of the Black...

odist

noun

a poet who writes odes

odo

noun

French pope from 1088 to 1099 whose sermons called for the F...

odobenidae

noun

walruses and extinct forms

odobenus

noun

type genus of the Odobenidae: walruses

odocoileus

noun

North American deer

odonata

noun

dragonflies and damselflies

odonate

noun

large primitive predatory aquatic insect having two pairs of...

odontaspididae

noun

sand sharks; in some classifications coextensive with family...

odontaspis

noun

type and sole genus of Carchariidae: sand sharks

odontoceti

noun

toothed whales: dolphins; porpoises; sperm whales; beaked wh...

odontoglossum

noun

any of numerous and diverse orchids of the genus Odontogloss...

odontophorus

noun

genus of Central and South American crested partridges resem...

odovacar

noun

Germanic barbarian leader who ended the Western Roman Empire...

odovakar

noun

Germanic barbarian leader who ended the Western Roman Empire...

odynophagia

noun

severe pain on swallowing due to a disorder of the esophagus

oecanthus

noun

tree crickets

oecumenism

noun

a movement promoting union between religions (especially bet...