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Webster 1913 Edition

Adj.

Overofficious; doing more than is required or desired.

“A superserviceable, finical rogue.”

Shak.

Adj.

[super and serviceable.] Over officious; doing more than is required or desired. [Not in use.]

superserviceable ‎(comparative more superserviceable, superlative most superserviceable)

(nonce word) overofficious; doing more than is required or desired.
A superserviceable, finical rogue. — Shakespeare.