Simple past tense and past participle of smell.(verb)
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Use "smelled" in a sentence
"But Stephen Crowley stooped before a lovely carnation, and smelled, and _smelled_, drawing in long breaths, as though he meant to take its fragrance all away with him; and Nimble Dick picked up the straying end of an ivy, and restored it to its support again, in a way that was not to be lost sight of by one who was looking for hearts; and Dirk Colson brushed back his matted hair and stood long before a great, pure lily, and looked down into its heart with an expression on his face that his teacher never forgot."
"The puff on the bed they put me in smelled old-fashionedly of flake soap, the way my mother's laundry used to when I helped her carry the wet wash basket out back to the clothesline."
"Although several vets wanted to euthanize her on the spot, I wanted time to right the wrong -- she had been banished to the backyard for months because she was bleeding and "smelled" -- when in fact, treatable cancer was allowed to become terminal."