Entry 1 sense Webster, 1913 Kelter /kĕl'-tẽr/ · Kel·ter · IPA /ˈkɛltɚ/ 01 n. Regular order or proper condition. 1. Regular order or proper condition.[Colloq., chiefly British spelling] “If the organs of prayer be out of kelter or out of tune, how can we pray?” — Barrow.