Defrayments refer to the payments made to settle expenses or debts. Antonyms for this word can include words like credit, loan, gift, or donation since they imply the opposite of paying back debts or expenses. Credit refers to the ability to borrow money and pay it back later, while loan means to give temporary financial assistance. Gifts and donations, on the other hand, are given without the expectation of repayment. The term reimbursement can also be used as an antonym for defrayments, as it implies the act of receiving payment for already-paid expenses. In summary, while defrayments involve making payments, the antonyms for this word focus on receiving or providing financial assistance.