Simple past tense and past participle of water.(verb)
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Use "watered" in a sentence
"But finding that compromise is growing more difficult by the day, candidates and advisers acknowledge, because liberals are resisting what they call a watered-down bill, while conservatives are winning by just saying no."
"Then, in watered down form, Bush vaguely referenced the "deeper challenges" (of poverty and racism) that he mentioned in his famous Jackson Square speech."
"To help them "dedicate their lives to prayer", they spent prolonged periods of time in isolated hermitages, each of which had a prayer-room (oratorio), a small cell, and a fruit and flower garden, watered from a fountain."