godan verb (-su), transitive verb
reheat by steaming; steam over again
Literal sense: to steam food again to warm it up, or to reheat something by steaming. Common in cooking contexts.
冷めたご飯を蒸し返して食べた。
I reheated the cold rice by steaming it and ate it.
残り物のシュウマイを蒸し返す。
I steam the leftover shumai again.
godan verb (-su), transitive verb
bring up again; rehash; drag up
Figurative sense: to bring up an old issue, argument, or settled matter again, often with a negative connotation of needlessly rehashing the past.
その話はもう終わったのに、彼はまた蒸し返した。
Even though that matter was already settled, he brought it up again.
昔の失敗を蒸し返すのはやめてください。
Please stop dragging up past failures.