Definitions from Wiktionary (smug)

▸ adjective:  irritatingly pleased with oneself; offensively self-complacent, self-satisfied.
▸ adjective:  Showing smugness; showing self-complacency, self-satisfaction.
▸ adjective:  (obsolete) Studiously neat or nice, especially in dress; spruce; affectedly precise; smooth and prim.
▸ verb:  (obsolete, transitive) To make smug, or spruce.
▸ verb:  (intransitive) to adopt an offensively self-complacent expression.
▸ verb:  (obsolete, transitive, slang) To seize; to confiscate.
▸ verb:  (obsolete, transitive, slang) To hush up.
▸ noun:  (obsolete, Anglo-Chinese) The smuggling trade.

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