Someone got mad at me for bringing a coat when they asked for a jacket – I had no idea they were different. I’ve been using the words “coat” and “jacket” interchangeably my whole life. What’s the difference between coat and jacket?
What’s The Difference Between Coat And Jacket?
By definition, a jacket is “an outer garment extending either to the waist or the hips, typically having sleeves and a fastening down the front.”
While a coat is “an outer garment worn outdoors, having sleeves and typically extending below the hips.”
Definitions from Oxford Languages
So basically, their main difference is their length. A jacket is shorter than a coat.
Aside from that, a jacket is considered to be more casual and a coat more formal.