Reignite is a verb that refers to the act of restarting or reviving something that has lost its potency or significance. Some synonyms for the word reignite include restart, rejuvenate, rekindle, spark, revive, renew, invigorate, and awaken. Each of these words implies a sense of bringing something back to life, either through fueling it with new energy or by rediscovering its original purpose. For example, you could reignite a romance that has faded by going on a special date or rekindling your passion through playful teasing. By using synonyms of reignite, you can bring more color and variation to your writing and make it more engaging.