adrift
adj.floating on the water without being tied to anything or controlled by anyone. You can also use it to describe a person who feels lost or has no clear purpose in life.
adj.floating without being moored or steered; by extension, lacking a sense of purpose or direction. Often follows a linking verb such as 'be', 'feel', or 'seem'.
“The small boat was adrift in the middle of the lake.”
“After losing his job of twenty years, he felt completely adrift and unsure of his next move.”
“The vessel was found adrift several miles offshore, its engines silent and its crew nowhere to be seen, sparking an immediate investigation by the coastguard.”
Used predicatively after a verb; rarely placed before a noun.
Adrift is an 'a-' adjective and typically follows the noun or a linking verb rather than preceding the noun.
“People feel adrift, they don’t understand or feel a connection to the place they thought they knew.”
“A father and his two young sons spent a night adrift before being rescued off the coast of the island of Koh Samui.”
From a- + drift.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.