immemorialim‧me‧mo‧ri‧al /ˌɪməˈmɔːriəl◂/ adjective 
Markets have been held here since time immemorial.
EXAMPLES FROM OTHER DICTIONARIES
- an immemorial custom
- Cattle, herded down to it along drove-ways used from time immemorial, slowly graze across its moist levels.
- Elementary teachers from time immemorial have used themes in their teaching.
- From time immemorial, it seems, pitching signs have been standard.
- He had come a long way with the Elder, as had his family from time immemorial.
- Its real origins lie deep in the immemorial history of the Near East.
- Since time immemorial, boys have climbed the water tower.
- These precedents encouraged lawyers to talk of the immemorial law of the Salian Franks under which women were excluded from the succession.
- Until Disestablishment in 1870 the archdeacons of Dromore were, from time immemorial, rectors of Seagoe.
Longman Language Activatorwhen something has always happened or always been true
· I've always admired Sean Connery.· Sylvia has always hated her nose.
during all the time that you can remember: · The Watsons have lived on our street for as long as I can remember.· The recipe is one that my mom has been making for as long as I can remember.
use this to emphasize that something has always happened or someone has always done something: · The Agaw people have inhabited that region since time immemorial.
COLLOCATIONS FROM THE ENTRY Markets have been held here since time immemorial.
Markets have been held here since time immemorial.WORD FAMILYnounmemorialmemorymemomemoirmemorabiliamemorandumadjectivememorablememorialimmemorialverbmemorizememorializeadverbmemorably
starting longer ago than people can remember, or than written history showsfrom/since time immemorial Markets have been held here since time immemorial.