diminishingly
With shrinking effect
In a manner that progressively decreases or becomes smaller over time.
The adverb typically modifies adjectives or other adverbs to indicate something fading or shrinking: diminishingly small returns, diminishingly relevant arguments.
The word is uncommon, with "increasingly" having no equally natural opposite—"decreasingly" sounds awkward, and "diminishingly" only slightly less so.
Progressively becoming smaller
- shrinkingDecreasing in dimension
- ebbingGradually declining or receding
- waningGradually decreasing in intensity
- subsidingDecreasing in intensity
receding · tapering · contracting · plummeting · slumping · sagging · depleting · atrophying
By small successive amounts
- progressivelyIn increasing stages
- steadilyIn constant, unwavering fashion
- slowlyAt reduced speed
- imperceptiblyBelow detection threshold
bit-by-bit · subtly · gently · piecemeal · measured · phased · insensibly · step-by-step
In reducing amounts
- shrinkinglyIn a recoiling manner
- loweringMoving something downward
- lesseningBecoming reduced in degree
Ceasing to be visible
- dissipatingScattering and fading out
- disappearingCeasing to be visible
- transientlyFor a short time
- ephemerallyIn a short-lived manner
melting · blurring · thinning · attenuating · paling · bleaching · languishing · extinguishing
dwindling
Progressively becoming smaller
- shrinkingDecreasing in dimension
- ebbingGradually declining or receding
- waningGradually decreasing in intensity
subsiding · receding · tapering · contracting · plummeting · slumping · sagging · depleting · atrophying · withering
incrementally
By small successive amounts
- progressivelyIn increasing stages
- steadilyIn constant, unwavering fashion
- slowlyAt reduced speed
imperceptibly · bit-by-bit · subtly · gently · piecemeal · measured · phased · insensibly · step-by-step · barely
decreasingly
In reducing amounts
- shrinkinglyIn a recoiling manner
- loweringMoving something downward
- lesseningBecoming reduced in degree
vanishing
Ceasing to be visible
- dissipatingScattering and fading out
- disappearingCeasing to be visible
- transientlyFor a short time
ephemerally · melting · blurring · thinning · attenuating · paling · bleaching · languishing · extinguishing · evaporating
diminishinglyincreasingly
To a greater extent
more and more · progressively · expansively · swellingly · accumulatively
- diminishing returnsReduced benefit from additional effort
- law of diminishing returnsAdded effort produces declining benefit
- diminishing marginal