"Dress out" is primarily used in informal speech, though it can occasionally appear in slightly more formal contexts. It typically refers to the action of putting on clothes or a uniform that is suited for a particular situation, such as dressing out in a sports uniform for a game or practice. The term is heavily reliant on context to denote its meaning, as "dress" by itself can broadly refer to the act of wearing clothes, while adding "out" suggests a transformation or a specific purpose behind the attire change. In some regions, particularly in parts of the United States, it can also mean 'to decorate' or 'to make something ready for an event.' Its usage sometimes extends to military or formal preparations. Overall, it's a versatile phrasal verb often found in contexts involving activities that have specific dress codes or uniforms.
B1
PreIntermediate
1. To put on clothing, especially for a specific occasion or purpose, often implying formal or special attire.
She had to dress out for the awards ceremony, so she wore her best gown.
The guests were asked to dress out for the gala event.
For his role in the performance, the actor had to dress out in a historical costume.
2. To change into specific attire for a particular activity, such as sports or theatrical performances.
The team will dress out in their new uniforms for the big match.
He forgot to dress out before heading into the gym for basketball practice.