paradoxical

US /ˌper.əˈdɑːk.sɪ.kəl/
UK /ˌper.əˈdɑːk.sɪ.kəl/
"paradoxical" picture
1.

seemingly absurd or self-contradictory

:
It's paradoxical that standing is more tiring than walking.
The film explores the paradoxical nature of human existence.