octogenarian
nounHow to pronounce octogenarian:
Definition of octogenarian:
- octogenarian (noun):
 - a person whose age is in the eighties
 - someone whose age is in the eighties.
 
Synonyms for octogenarian:
golden ager
oldster
senior citizen
Antonyms for octogenarian:
adolescent
ageless
babyish
blooming
blossoming
boyish
boylike
budding
callow
childish
childlike
developing
fledgling
fresh
girlish
girllike
green
growing
immature
infant
infantile
infantine
junior
juvenile
kiddish
Show 18 more
Other 6-syllable words like octogenarian
Here are some other common words that have 6 syllables, like octogenarian does.
- believability
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 - unovercomable
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 - electroreceptor
 - superiority
 - disproportionate
 - familiarity
 - amicability
 - antediluvian
 - higgledy-piggledy
 - periodically
 - overemotional
 - acetaminophen
 - institutionalise
 - thermolability
 - deuteranopia
 - maladministration
 - extraterrestrial
 - nonprofessional
 - misinterpretation
 - adjustability
 - conciliatory
 - salutatorian
 - dependability
 - unconstitutional
 - organizational
 - internationally
 - technologically
 - adoptability
 - phantasmagorical
 - conventionally
 - indefatigable
 - adorability
 - diverticulitis
 - … more
 
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