Entry 2 senses · 2 variants Webster, 1913 To-day · IPA adv. n. 01 adv. On this day; on the present day. 1. On this day; on the present day. “Worcester's horse came but to-day.” — Shak. 02 n. The present day. 1. The present day. “On to-day Is worth for me a thousand yesterdays.” — Longfellow.