business attire

noun
UK /ˈbɪz.nɪs əˈtaɪər/
US /ˈbɪz.nɪs əˈtaɪr/

Clothes that people wear to look neat and proper at work.

He wore business attire to the job interview.


OTHER MEANINGS

2. A dress code requiring formal or professional clothing.

The company enforces business attire in all meetings.

3. Clothing suitable for a corporate or formal workplace.

She packed only business attire for the conference.

4. A style of dress that is conservative and polished.

Business attire usually means dark colors and simple cuts.