to switch back and forth between two things

परिवर्तन करना

English Usage: We will alternate between using the two methods.

Hindi Usage: हम दोनों तरीकों के बीच परिवर्तन करेंगे।

one of two or more things that can be used instead of each other

वैकल्पिक

English Usage: We have several alternates for the project design.

Hindi Usage: हमारे पास परियोजना डिज़ाइन के लिए कई वैकल्पिक हैं।

occurring in turns; every other

बदलते हुए

English Usage: The alternate days will be for practice.

Hindi Usage: बदलते हुए दिन अभ्यास के लिए होंगे।