A mistaken belief or idea.

Something that is not true or is wrong.

झूठा

English Usage: The accusations against him were proven to be false.

Hindi Usage: उसके खिलाफ आरोप झूठे साबित हुए।

Incorrect or misleading.

Unfounded or insincere.

आधारहीन

English Usage: His false promises led to disappointment.

Hindi Usage: उसके आधारहीन वादों ने निराशा का कारण बना।