adj [pred 作表语]
1 (a) (esp of a boat) driven by wind and water and out of control; drifting （尤指船）随风及水流漂浮而失去控制; 漂浮
*cut a boat adrift from its moorings 割断系索使小船漂离系泊处
* The survivors were adrift on a raft for six days. 幸存者在筏子上漂浮了六天.
(b) (fig 比喻) having no purpose; aimless 没有目的; 无目标
*young people adrift in our big cities 在我们大城市 四处游荡的年轻人
* turn sb adrift, ie send sb away without help or support 逐出某人（使其漂泊流浪）.
2 (infml 口)
(a) unfastened; loose 脱开; 松开
*Part of the car's bumper had come adrift. 汽车的保险杠有一处松动了.
(b) out of order; wrong 有故障; 出错; 有毛病
*Our plans went badly adrift. 我们的计划严重受挫.
a boat that is adrift is not fastened to anything or controlled by anyone
Several of the lifeboats were still afloat a month after being cast adrift .
someone who is adrift is confused about what to do in their life
a young woman adrift in London
BrE if something comes adrift, it is no longer fastened or attached to something
Her hair was forever coming adrift from the pins she used to keep it in place.
two points/five seconds etc adrift (of sb)
two points, five seconds etc behind someone in a competition, race etc