Farewell/ˌferˈwel/ Definition 1 of 3Pro Tip 1/3Emotional Weight Farewell often carries emotional significance, suggesting a long or permanent goodbye. His eyes were teary as he whispered a heartfelt farewell. Pro Tip 2/3Formal Context Use 'farewell' in formal or serious situations, rather than casual ones. At the retirement party, everyone said their farewells to the CEO. Pro Tip 3/3Parting Expression 'Farewell' is often used when parting for a significant period of time or forever. As he set off to a new country, he bid his friends farewell.