including all the things or people that are involved in a particular situation; general

including everything or everyone; in total

Overall, this is a very useful book.

I think overall we're doing a good job.

Students were satisfied overall with what they had achieved.

a loose coat worn over other clothes to protect them from dirt, etc.

a loose piece of clothing like a shirt and trousers in one piece, made of heavy cloth and usually worn over other clothing by workers doing dirty work

The mechanic was wearing a pair of blue overalls.

a piece of clothing that consists of trousers with an extra piece of cloth covering the chest, held up by narrow pieces of cloth over the shoulders

LEARNit Dictionary