The phrase "hugely diminished" is correct and usable in written English.
It can be used to describe a significant reduction in size, importance, or value.
Example: "The company's profits have been hugely diminished due to the recent economic downturn."
Alternatives: "greatly reduced" or "significantly lessened."
More importantly the moral stigma of being seen to be on drugs has been hugely diminished.
Our understanding of China would be hugely diminished without the contribution of many outstanding female correspondents.
Oates's recent book, Butterflies, is both a handy pocket guide, and a paean to their sheer beauty, without whose presence our lives would be hugely diminished.
10.54am BST As we noted earlier, Lord Ashdown has tweeted that Britain is a "hugely diminished country" following the Commons vote on Syria.
Slash-and-burn agriculture, along with logging, and human encroachment, have hugely diminished the habitat available to these felines, which require extensive ranges capable of supporting the large herbivores that constitute the bulk of their diets.
By contrast, the people who bundled up the bad debt in arcane financial instruments that pushed the world to the brink of ruin are still out there: hugely diminished – but free, and hardly penniless.
That would leave the UK outside the family of nations upholding universal human rights and would hugely diminish our reputation abroad.
The coming wave of automation, currently stalled because our social infrastructure cannot bear the consequences, will hugely diminish the amount of work needed – not just to subsist but to provide a decent life for all.
This can be tribal, or have a class element, though I think this aspect has diminished hugely since the 1960s (as has the element of national belonging).
The General Intelligence Service is Egypt's equivalent of the C.I.A. Hugely powerful under Mubarak, it is now viewed as somewhat diminished.
Saudi Arabia's Crown Prince Mohammed bin Salman has initiated some hugely important efforts to diminish the control of hard-line Islamists in his country and empower its women.
