Yes it should be hyphenated.
No, "fun filled" is not typically hyphenated when used as a compound adjective after a noun. However, when it directly precedes a noun, it is often hyphenated as "fun-filled." For example, you would write "a fun-filled day" but "The day was fun filled."
The word desperate hyphenated
The word "self-confidence" is hyphenated.
Light-Headed is a hyphenated word.
No, "hardworking" is not hyphenated.
Left-handed is a hyphenated compound.
Both the full word and the hyphenated form are accepted.
"Field" is not hyphenated.
Yes it should be hyphenated.
No, "homework" shouldn't be hyphenated.
No it shouldn't be hyphenated.
There shouldn't be any spaces in a hyphenated word.