The Collaborative International Dictionary
Diminishingly
Diminishingly \Di*min"ish*ing*ly\, adv. In a manner to diminish.
Wiktionary
diminishingly
adv. In a diminishing manner; becoming progressively smaller.
Usage examples of "diminishingly".
You have to weigh the diminishingly small chance of finding something wronganything at allwith the risk of producing an iatrogenic condition from the testing procedures.