SMS /ˌɛs ɛm ˈɛs/noun 10verb 1forms 5 noun10 •A text message sent using the short message service.The Empower Interactive survey found that more than 7 of 10 cellphone users considered any form of unsolicited SMSs, or text messages, unacceptable. — 2004 •SMS — Seiner Majestät Schiff – literally, "His Majesty's Ship" in German; •A ship prefix for a ship in the navy of the Empire of Germany (usually for the period leading to WWI and WWI) •Initialism of safety management system: a system designed to identify and manage occupational safety and health risks. •Initialism of Smith-Magenis syndrome. •Initialism of senior minister of state. •Initialism of special mint set. •Initialism of stiff man syndrome. •Initialism of short man syndrome. •Initialism of salesman sample. verb1 •To send a message on a cell phone via short message service.I SMSed him and asked why he was late.I can't talk to her: she is too busy SMSing her friends. formsSMS'd · SMSed · SMSing · SMSes · SMSs