superserviceable

From super- +‎ serviceable.

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superserviceable (comparative more superserviceable, superlative most superserviceable)

1. doing more (usually, more work) than is required or desired.

   Synonym: overofficious

   • c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene ii]:

     a superserviceable, finical rogue

• “superserviceable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.