1. 1  a prefix meaning ânot,â freely used as an English formative, giving negative or opposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able), and less freely used in certain other nouns (unrest; unemployment). 1  Compare un-2 .
On August 7, 1998, at approximately 10:30 a.m. local time, two Embassies of the United States of America, located in the East African cities of Nairobi, Kenya and Dar es Salaam, Tanzania, were attacked in coordinated truck bombings, later determined to have occurred approximately four minutes apart.
Throughout the âundeclared warâ between Japan and China (1937â1941), the United States maintained its official diplomatic mission in Beijing. The U.S. Ambassador, however, began in August 1936 to reside intermittently near the Chinese government in Nanjing.