Simple past tense and past participle of subside.(verb)
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Use "subsided" in a sentence
"After the pain subsided, those that survived reported a feeling of euphoria and well being."
"The rain subsided for awhile and we arrived at the campground in Ohio around 1: 00 p.m."
"But ere long I saw my slave-girl herself come on board, attended by two waiting-women; whereupon what was on me of chagrin subsided and I said in myself, ‘Now shall I see her and hear her singing, till we come to Bassorah.’"