Definition of "ill-fitting"

There was no First Class accommodation, and there were always strong draughts from their ill-fitting doors.

2023 February 22, Howard Johnston, “Southern '313s': is the end now in sight?”, in RAIL, number 977, page 42

It was as if, because of the very strangeness of my heritage and the worlds I straddled, I was from everywhere and nowhere at once, a combination of ill-fitting parts, like a platypus or some imaginary beast, confined to a fragile habitat, unsure of where I belonged.

2020, Barack Obama, A Promised Land, Crown