/tæn ||; tæn/verb [I,T] (tanning;tanned) (used about a person's skin) to become or make sth brown as a result of spending time in the sun （指人的皮肤）晒黑，晒成褐色: Do you tan easily? 你容易晒黑吗？ ➔tanned adj You're looking very tanned -- have you been on holiday? 你晒得很黑，去度假了吗？