The phrase "altogether smooth" is correct and usable in written English.
It can be used to describe something that is completely or entirely smooth, often in reference to a surface or experience.
Example: "The new road is altogether smooth, making for a pleasant drive."
Alternatives: "completely smooth" or "entirely smooth".
Blue Pyrenees, named after the aura that coasts the mountains from nearby eucalyptus trees, is an altogether smoother vintage.
Here, though, he has had to create an altogether smoother, less angular form of building, one that should appeal to bathers and patients of all ages.
Morrisons stocks a basic soave for £4.25 (11% abv) which is pretty decent, though I would definitely pay the extra couple of quid for their The Best Soave Classico 2016 (12% abv, £6.75), which is altogether smoother and more satisfying.
In these not-altogether-smooth first three months of the Clark campaign, the general has had to let go of his organized past to adjust to his unruly future, as he struggles to accommodate a world where people do not always follow orders and are not necessarily known for their loyalty, and where the person at the top is as likely to be battered as saluted.
The Fake Sheikh sounded altogether less smooth and assured than he did the first time around.
Putting on Wolfson's headset didn't feel so much like switching one world for another as switching off the world altogether, substituting smooth, crystalline clarity for a video medium that we are more familiar with: the handheld shakiness of a smartphone camera capturing something urgent or horrible as it unfolds.
But Ms Mayer, who is altogether a smoother operator than Ms Bartz, is in some ways better prepared for her role.
It's got a little bit of a kick on the finish, but all in all this is smooth, decadent, and altogether yummy.
