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Webster 1913 Edition

Slangy

Slang′y

,

Adj.

Of or pertaining to slang; of the nature of slang; disposed to use slang.

[Written also

slangey

.]

Definition 2024

slangy

slangy

English

Adjective

slangy ‎(comparative slangier, superlative slangiest)

Including or given to slang.
His slangy speech was almost uninterpretable to anyone over the age of 18.