Yes it is, as ill-fitting (not the correct size or construction).
Many paired modifiers are, especially if they mean something different when combined.
It is not hyphenated.
Motorcycle is not hyphenated
No it's not hyphenated.
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated
No, "hardworking" is not hyphenated.
Yes it should be hyphenated.
It can be. Some words can be seen both hyphenated and non-hyphenated.
"Field" is not hyphenated.
No they shouldn't be hyphenated.
Yes it should be hyphenated.
All-consuming is hyphenated
No, "homework" shouldn't be hyphenated.