Technology / Email / Unknown User: Bounce error code generated by an ISP when an email address is not registered in its system.
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Unknown Adverb Synonyms: unrecognized, unfamiliar, strange, unnamed, anonymous, nameless, unidentified, obscure, unheard-of, little-known, humble, undistinguished, unsung
Unknown Noun Synonyms: unfamiliar, unexplored, uninvestigated, unresearched, unrevealed, mysterious, uncharted, unidentified, dark
Unknown Adjective Synonyms: unbeknownst, untold, unrevealed
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User Noun Synonyms: alcohol or drug or narcotic addict
User Adjective Synonyms: consumer, buyer, purchaser, owner, operator
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Technology / Email / Unknown User: Bounce error code generated by an ISP when an email address is not registered in its system. MORE
Business / Internet Marketing / Unique Users: The total number of different users, or different computer terminals which have visited a Web site. This is measured using advanced tracking technology or user registration. MORE
Business / Human Resources (HR) / Uniformed Services Employment And Reemployment Rights Act (USERRA) Of 1994: The Uniformed Services Employment and Reemployment Rights Act of 1994 (USERRA, or the Act), signed into law on October 13, 1994, clarifies and strengthens the Veterans?€™ Reemployment Rights (VRR) MORE
Business / Agriculture / User Fees: Any of various charges and assessments levied on a specifically delineated group that is directly subject to a particular government service, program, or activity: such fees are not levied on the gene MORE
Entertainment / Video Games / User Interface: The connection points between the 'game' on one side and the 'user' on the other. There are two aspects to a user interface: (1) The information that the game provides to the user so that the user wil MORE