nightward adjective 2adverb 2noun 1 adjective2 •Toward night.Yet, that you may see I am something suspicious of myself, and do take note of a certain belatedness in me, I am the bolder to sen you some of my nightward thoughts sometime since. — 1829 •Toward the nightside of a planet.Nightward ion flow was greatly reduced at solar minimum . — 1995 adverb2 •Into the night.I follow soon; My day of life wanes nightward fast from noon, And evening lowers. — 1876 •On or toward the nightside of a planet.Out in front of them and as far as he could see nightward, the land slowly crawled away from the desert of the Winderost and rolled back into grassy foothills lined with juniper and pine forest. — 2015 noun1 •The direction of oncoming night.Then when thy circuit swung to nightward, Night the abhorrèd, night was a new dawning, Celestial dawning Over the ultimate marges of the soul — 1897