20 Letter Adjectives

Explore 76 verified English adjectives with 20 letters, including Counterrevolutionary, Electrophysiological, Semiautobiographical, Noninstitutionalized, Electrocardiographic, Hypercholesterolemic and Neuropharmacological. Browse these describing words and descriptive modifiers alphabetically below, or check adjective order and comparative rules in our adjective grammar guide.

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Starts with A9 words
antienvironmentalist
anarchoindividualist
anthropogeographical
antiinstitutionalist
anticonfederationist
antitintinnabularian
anatomicophysiologic
anatomicochirurgical
anthropoteleological
Starts with B
1 words
biblicopsychological
Starts with C5 words
counterrevolutionary
counterrevolutionist
chemicomineralogical
chemicophysiological
calcareoargillaceous
Starts with E7 words
electrophysiological
electrocardiographic
electrometallurgical
electroretinographic
epididymodeferential
electrotherapeutical
electrochronographic
Starts with G
1 words
glossolabiolaryngeal
Starts with H4 words
hypercholesterolemic
hyperdolichocephalic
hexosemonophosphoric
hypsidolichocephalic
Starts with I
1 words
intercommunicational
Starts with L3 words
labioglossolaryngeal
labyrinthibranchiate
lithochromatographic
Starts with M6 words
micropaleontological
microelectrophoretic
magnetoplasmadynamic
magnetofluidmechanic
microcinematographic
mechanicocorpuscular
Starts with N5 words
noninstitutionalized
neuropharmacological
noninterventionalist
nonrepresentationist
noninstrumentalistic
Starts with O3 words
otorhinolaryngologic
orthodolichocephalic
orbiculatoelliptical
Starts with P18 words
paleoanthropological
pseudohermaphroditic
parallelogrammatical
phytopaleontological
peritoneopericardial
pseudoparenchymatous
physicophilosophical
photochronographical
protobasidiomycetous
physicophysiological
photospectroscopical
pectinatodenticulate
physiologicoanatomic
phoneticogrammatical
platybrachycephalous
philosophicojuristic
pseudoaristocratical
platydolichocephalic
Starts with R
1 words
reticulatocoalescent
Starts with S7 words
semiautobiographical
scientificoreligious
spectrophotoelectric
spectromicroscopical
saccharomucilaginous
subjectivoidealistic
spinulosodenticulate
Starts with T3 words
theologicohistorical
thermophosphorescent
turbinatocylindrical
Starts with U
1 words
ultradolichocephalic
Starts with V
1 words
vagoglossopharyngeal

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