come-outer

[ kuhm-ou-ter ]
/ ˌkʌmˈaʊ tər /

noun Informal.

an outspoken or very active supporter of a cause, especially a reformer or a social activist.

Origin of come-outer

1830–40, Americanism; come out + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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