rain date in English dictionary rain date Meanings and definitions of "rain date" noun an alternative date set for some outdoor event in case it rains on the appointed date; "the rain date for the picnic will be the following Sunday" more Synonyms of "rain date" in English dictionary Another word for "rain date" in the English thesaurus is date. date more Sample sentences with "rain date" Declension Stem Match words all exact any Try again Available translations Finnish Thai Authors