to be tired and weak
weak from exhaustion
to become weary of something
疲れきった
疲労でボーッとした
疲労する.
I am tired out―done up―exhausted.
I am exhausted in mind and body―in a state of mental and physical exhaustion.
to fall into a deep sleep because one has become tired
of a body, to be tired and weak
I am dead tired―dog-tired―completely done up―ready to drop―reduced to pulp.