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graybeard

[grey-beerd] / ˈgreɪˌbɪərd /
NOUN
patriarch
Synonyms
STRONGEST
elder founder grandfather ruler
STRONG
ancestor architect author chief creator father gaffer generator head inventor maker master originator paterfamilias senior sire
WEAK
old man
Antonyms
STRONG
servant
WEAK
matriarch

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.