ALACKADAY
Source: 524, 567
ALACK'ADAY, An exclamation uttered to express regret or sorrow.
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A‐lack″a‐day′ (�), interj. [[For alack the day. Cf. Lackaday.]] An exclamation expressing sorrow. ☞ Shakespeare has “alack the day” and “alack the heavy day.” Compare “woe worth the day.”