Morrow/ˈmɔːrəʊ/ Definition 1 of 2Pro Tip 1/3Archaic Usage Used mostly in classic literature, not common in modern daily speech. Shall we venture forth on the morrow, as the tales of old? Pro Tip 2/3Lyrical Expression Frequent in poetry to evoke nostalgic or romantic feelings. Whisper your sweet nothings unto the morrow's embrace. Pro Tip 3/3Formal Tone Implies a more formal or solemn tone when used in speech or writing. We shall defer our deliberations to the morrow, with formality.