Descend/dɪˈsend/ Definition 1 of 5Pro Tip 1/3Physical Movement Used to describe someone or something physically moving downwards. The eagle descended rapidly to catch its prey. Pro Tip 2/3Gradual Process The action can be gradual, not sudden, emphasizing a smooth and steady motion. The sun descended behind the horizon at dusk. Pro Tip 3/3Change in Altitude Often used to describe a decrease in height or altitude, such as in flying or hiking. The plane began to descend as it approached the airport.