Simple past tense and past participle of taper.(verb)
Narrowing gradually towards a point(adjective)
Lit with a taper(adjective)
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Use "tapered" in a sentence
"As the term tapered to an end, things went from bad to worse with her; and since, besides, the parting with Evelyn was at the door, she was often to be seen with red-rimmed eyelids, which she did not even try to conceal."
"The Queen pulled back on the cross, leaving the Governess holding the thin tapered dagger that had been concealed inside."
"Over the months, they'd gotten a case or two that way, but as time went on, the calls tapered off, as word of their father's demise worked its way through the hunters 'grapevine."