Here are some possible meanings and their vilom shabd (opposite words):
* खल (khal) meaning "wicked" or "evil": The vilom shabd would be "सत" (sat) meaning "good" or "righteous".
* खल (khal) meaning "a wicked person": The vilom shabd would be "सज्जन" (sajjan) meaning "a good person" or "gentleman".
* खल (khal) as a verb meaning "to peel" or "to husk": The vilom shabd would be "छिलका चढ़ाना" (chhilka chadhana) meaning "to put on a peel".
Therefore, the appropriate vilom shabd for "khal" will depend on the intended meaning.