alternate(to use, do etc. by turns, repeatedly, one after the other • John alternates between teaching and studying; He tried to alternate red and yellow tulips along the path as he planted them); interchange; rotate; mix(Moscowtran); seesaw(seesaw between two activities VLZ_58); alternate between(I prefer to alternate between jogging and sprinting kisekbas); stagger(Jim and his wife stagger their work hours so one of them can be at home with the kidsvogeler)