What is another word for defaulting on?
Pronunciation: [dɪfˈɒltɪŋ ˈɒn] (IPA) 
Defaulting on refers to failing to meet a financial obligation, such as missing a loan payment or failing to pay a debt. There are several synonyms for this term, including nonpayment, delinquency, and arrears. The term can also be expressed as a verb, with phrases like "falling behind on payments," "failing to meet a commitment," or simply "defaulting." These synonyms can be useful in a variety of contexts, from discussing personal finances to analyzing broader economic trends. Using synonyms helps to diversify language use and avoid repetition, while still conveying the same meaning.
