PRECURSOR = (noun) 1. something which happened or existed before; 2. an indication that someone or something is approaching; 3. in chemistry, a substance from which another is formed Synonyms: forerunner, predecessor, originator, messenger, trailblazer, ancestor, founder, prototype Antonyms: follower Examples:- The precursor to SyncMyMail’s current network infrastructure was slow and bulky. - Microsoft’s business <...>