Dainty Drop Waist Dresses. The drop waist detail, which extends the waist of a dress, is trending everywhere in 2025. Embrace the trend with a midi drop waist dress to your next semi-formal outing.

You can’t go wrong with a fit-and-flare midi dress when it comes to semi-formal attire for women. This modest pick offers full coverage with a mock neck and quarter-length bell sleeves.

Regular semi-formal wear allows cocktail dresses, but this is not appropriate for business wear. ... As a former senior sales director with Mary Kay and the co-owner of a renovation company, ...