Definitions

1. adjective

not fussy or particular about things; simple and straightforward in taste or style

“She had an unfussy approach to decorating her new apartment.”

2. adverb

in an unfussy manner

“He ate his breakfast in an unfussy way, not bothering with utensils.”

3. noun

a person who is not fussy or particular about things

“She’s an unfussy kind of person, happy to try new foods.”