"dwindling significance" is a correct and usable phrase in written English
It is typically used to describe a situation or concept that is becoming less and less important or relevant. Example: The once thriving industry has been suffering from dwindling significance in recent years due to technological advancements.
Instead, Gelb focussed on remaking the classical division, which, like other classical labels, was dwindling in significance and revenues.
Future projections backed by statistical data indicate that Europe is headed for further change, destined to become a continent of shrinking population numbers, declining economic importance and dwindling political significance.
The traditional community involvement and school exchange programmes seem to have dwindled in significance and now business and commerce takes centre stage.
As manufacturing dwindled in significance, the service sector emerged as the linchpin of the Northern Irish economy and now provides about three-fourths of jobs.
But if their physical presence is dwindling, their cultural significance is not: on the contrary, deyars have a prominent place in present-day Sahrawi literature and poetry (see for example Ebnu [2008]; Boicha et al. [2003]; Bahia [2007]; Moure [2004]), where they often represent the badiya itself and the lost relationship with and knowledge of Western Sahara territory.
The number of people for whom Easter has a religious significance must be dwindling in inverse ratio to the number of Easter eggs sold.
Live gates dwindled in number and significance, at least for major promotions.
Its trading significance had dwindled, its celebrated Roman baths were crumbling and, most awkward of all, a whiff of the unfashionable and treasonable Jacobite cause still hung over it.
But with the watch-worthy alternatives dwindling thanks to the writers' strike, the Tivo-proof event has taken on added significance this year and advertisers have taken notice.
