At the end is used in the idiom "at the end of the day." which means something similar to in the end (= when everything is considered). However, at the end is. The phrase "at the end" tells us that something happened during the same time as the end, or during the ending of something (such as a story or an event). At in all these examples refers to a specific time or location; in refers to being inside a general area. At the end is used to point to the end. 2: to cause (something) to have (something) at the end She will end the convention with her speech. He ended the concert with one of his new songs. end-to-end definition: 1. from the very beginning of a process to the very end: 2. used to refer to a system of. Learn more. in the end definition: after considering everything. Learn more. “At the end” is always used to talk about the end of something (a class, a game, a concert, a street, an avenue, etc.). “At the end” is the. in the end Definitions and Synonyms. phrasemainly spoken. Other entries for this word. Be-all and end-all definition: the ultimate aim or justification | Meaning, pronunciation, translations and examples. Definition of END IN (phrasal verb): have something as a final result; make people involved become disappointed or angry.