Zilcher is a colloquial term that refers to something of no value or importance. Antonyms for zilcher are numerous and can include words like valuable, important, significant, or worthwhile. These antonyms paint a picture of something that is considered valuable or meaningful, as opposed to something that is considered to be insignificant or worthless. Other antonyms might include terms like notable, substantial, significant, or valuable, which all suggest that something has merit or worth. Overall, the antonyms for zilcher highlight the idea that even the smallest things can have importance and meaning, and that every action has the potential to make a difference.