honeymooning adjective 1noun 1forms 1 adjective1 •On a honeymoon.The honeymooning couple danced the night away. noun1 •A honeymoon.Markham also explained a word: "Lilimola is a deep secret realm of love and rest, where lovers go for their honeymoonings when returning for a season from Lilistan, the New Heaven." — 1966 formshoneymoonings