Practise the thinking. Keep the judgement.
疲れた (tsukareta): Tired; became tired
つかれた
tsukareta
Meaning
Tired; became tired
Two original examples
今日はたくさん歩いて、疲れました。
I walked a lot today and got tired.
少し疲れたので、休みます。
I am a little tired, so I will take a break.
Usage and distinctions
疲れた is the plain past of 疲れる and commonly expresses the present result “I am tired”. 疲れています also describes being tired. お疲れさまです is a social acknowledgement of someone’s work, not simply a literal diagnosis of tiredness.