the words goodbye mean so much good·bye go͝odˈbī/ exclamation used to express good wishes when parting this term carries so much on its shoulders. "see you later" implies the fact that two people will meet again soon. "goodnight" means that two people will be seeing each other again the next day. but goodbye means forever it means you have not the slightest intention of ever seeing someone again it means going away and never coming back