altogether and all together

Altogether means ‘completely’ or ‘considering everything’.

• My new house isn’t altogether finished.
• Altogether, she decided, marriage was a bit of a mistake.

Altogether can also be used to give totals.

• That’s £4.38 altogether.

All together usually means ‘everybody/everything together’.

• Come on, everybody sing. All together now …
• They all went to the cinema together.