altogether and all together - the difference
 
Altogether means with everything considered.
All together means collectively.
 

    Grammar Checker

Altogether

The adverb altogether means wholly, to the full extent, or with everything considered.

Examples:

I left him altogether convinced that the project will end on time.

Altogether Mark earns more than his cousin.

All Together

The term all together pertains to when a group acts or is acted upon collectively. (Of note, there can be other words between all and together.)

Examples:

I want you to sing all together.   (I want you all to sing together.)

The soldiers stood all together waiting for the plane.   (The soldiers all stood together waiting for the plane.)

I would like to see you all together.  (I would like to see all of you together.)

See also:

What are adverbs?
What are verbs?
List of easily confused words