16 letter adjectives that contain O

We have listed 148 16-letter adjectives that contain O for you in this WordMom word list. All these 16-letter adjectives that contain O were verified by specialists in the English language.

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  • anthropomorphous
  • autobiographical
  • atrioventricular
  • anthropometrical
  • acanthopterygian
  • autoradiographic
  • arteriosclerotic
  • archaeostomatous
  • acanthocephalous
  • abdominothoracic
  • alcoholometrical
  • anthropophagical
  • anaglyptographic
  • agrostographical
  • aerohydrodynamic
  • apophthegmatical
  • anthropopathical
  • anthypochondriac
  • chemotherapeutic
  • counterclockwise
  • conventionalised
  • conventionalized
  • caryophyllaceous
  • counterinsurgent
  • counterintuitive
  • counterterrorist
  • crystallographic
  • circumesophageal
  • consignificative
  • circumlocutional
  • crustaceological
  • chondropterygian
  • corneocalcareous
  • circumterraneous
  • crystallogenical
  • conservativeness
  • cryptobranchiate
  • cardioinhibitory
  • concupiscentious
  • disproportionate
  • discorrespondent
  • deuterocanonical
  • dolichocephalous
  • extraterritorial
  • elasmobranchiate
  • equitemporaneous
  • epiphylospermous
  • gastrointestinal
  • glossopharyngeal
  • gynandromorphous
  • geomorphological
  • gastroesophageal
  • glossoepiglottic
  • hemimetamorphous
  • heterometabolous
  • helminthological
  • hyperoxymuriatic
  • hystricomorphous
  • hydrodynamometer
  • hydroferrocyanic
  • hydrofluosilicic
  • hermaphroditical
  • hydrosulphureted
  • horologiographic
  • incontrovertible
  • internationalist
  • intercontinental
  • incomprehensible
  • immunosuppressed
  • interequinoctial
  • infraterritorial
  • idiocyclophanous
  • interconvertible
  • inferobranchiate
  • intraterritorial
  • improportionable
  • leptosporangiate
  • lichenographical
  • monocotyledonous
  • multidimensional
  • microcrystalline
  • malacopterygious
  • musculocutaneous
  • nonreciprocating
  • noncontroversial
  • neuropsychiatric
  • noncomprehensive
  • noninstitutional
  • nonvolatilizable
  • nontranslational
  • nontransmissible
  • nonvolatilisable
  • nonmanufacturing
  • neurosensiferous
  • overenthusiastic
  • obdiplostemonous
  • orbitosphenoidal
  • oppositipetalous
  • oppositisepalous
  • ophthalmological
  • opisthopulmonate
  • phantasmagorical
  • psychoanalytical
  • pseudoperipteral
  • pseudoscientific
  • psycholinguistic
  • palaeontological
  • psychopathologic
  • palliobranchiate
  • plectospondylous
  • philanthropistic
  • pleuroperitoneal
  • polycotyledonary
  • parthenogenitive
  • philoprogenitive
  • pterygomaxillary
  • pseudepigraphous
  • parallelogrammic
  • philosophistical
  • promerphological
  • representational
  • roentgenographic
  • syncategorematic
  • scandalmongering
  • sensationalistic
  • silicicalcareous
  • sulphantimonious
  • sclerenchymatous
  • syphilodermatous
  • stoichiometrical
  • subcarboniferous
  • subcartilaginous
  • siphonostomatous
  • sulphophosphoric
  • transcontinental
  • traditionalistic
  • thermoelectrical
  • temporomaxillary
  • tracheobronchial
  • unconstitutional
  • unforethoughtful
  • uncomprehensible
  • unimpressionable
  • undenominational
  • ultramicroscopic
  • uncommercialised
  • uncommercialized
  • uncontrovertible