Useful English Word or Phrase to Boost Your English: Naff
What does it mean?
Unfashionable or tacky.
Is it positive or negative?
Negative.
When do you use it?
When describing bad taste or cheap-looking things.
Examples
Example 1: Those curtains look a bit naff.
Example 2: That joke was so naff it made me laugh.
Question for you
What fashion trends do you think are naff?