It is correct and usable in written English.
You can use it to express a significant amount of improvement. For example, "The new software has hugely improved efficiency in the workplace."
This would hugely improve the tax profile".
These bulbs sip power and hugely improve the energy efficiency of homes and offices.
Yet modest water storage can hugely improve yields in rain-fed agriculture, by smoothing over short dry spells.
Since programming can swallow some two-fifths of a cable operator's costs, bulk-purchasing discounts can hugely improve margins.
Documents show that the MoD is hoping to hugely improve drone capabilities, having seen how effective they have been for Nato against the Taliban.
Stanton storyboarded a group of new scenes and cut them into the film to convince Disney — or, as he put it, to "preëmptively prove" — that they would hugely improve the narrative.
"Junction 21 [M5, Weston-super-Mare] is hugely improved but there are further improvements needed on things like our train service".
In recent years state money has hugely improved some of them, such as Las Milpas, outside McAllen.
The screens are hugely improved in all cabins, look excellent and are a substantial upgrade.
Conditions for supporters have, of course, been hugely improved and the game has been greatly refurbished.
They have hugely improved our knowledge of both human and animal brain.
