废物 (in the context of something discarded)
残留物 (in the context of leftovers or byproducts)
अवशेष
English Usage: The manufacturing process creates a significant amount of waste matter.
Hindi Usage: उत्पादन प्रक्रिया में एक महत्वपूर्ण मात्रा में अवशेष उत्पन्न होते हैं।
浪费 (in the context of using resources inefficiently)
错过 (in the context of losing an opportunity)
खोना
English Usage: If you continue to waste matter, you will miss out on valuable resources.
Hindi Usage: अगर तुम अपशिष्ट को बर्बाद करते रहोगे, तो तुम मूल्यवान संसाधनों को खो दोगे।