infer/Inˋfɝ; Inˈfɜː/v [T] inferred , inferring formal to decide that something is probably true because of other information that you already have【正式】〔根据资料〕推断﹐推定: infer sth from sth I inferred from his letter that he was still angry with me. 根据他的来信我推断他还在生我的气。