Simple past tense and past participle of buoy.(verb)
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Use "buoyed" in a sentence
"Patricia Hewitt is said to be 'buoyed' up by the huge majority in last night's votes to ban smoking outright in public places (except House of Commons bars, natch) and believes that it would be possible to obtain a majority to ban the sale of alcohol in pubs."
"I struck on to some heavy rocks that did n't show none, but a plow 'd be liable to ground on 'em, an' so I ketched holt an 'buoyed 'em same 's you see."
"Or Boyd Connoway would tell of the _Golden Hind_ having been seen out in the channel, of rafts of "buoyed" casks sunk to within three foot of the bottom, to be fished up when on a dark night the herring craft slipped out of Balcary or the Scaur, silent as a shadow."