undetectable

gradual inaudible indistinguishable insignificant invisible microscopic subtle

ephemeral evanescent fine impalpable imponderable inappreciable inconsiderable inconspicuous indiscernible indistinct infinitesimal insensible minute momentary shadowy slight small tiny trivial unnoticeable vague

apparent conspicuous distinct evident noticeable obvious perceptible seeable striking unobscured

ephemeral fine gradual infinitesimal intangible minute slight small

evanescent impalpable inappreciable inaudible inconsiderable inconspicuous indiscernible indistinct indistinguishable insensible insignificant invisible microscopic momentary shadowy subtle tiny trivial unnoticeable unobservable vague

big huge important large rough significant substantial thick

ephemeral evanescent fine gradual impalpable imponderable inaudible inconsiderable inconspicuous indiscernible indistinct indistinguishable infinitesimal insensible insignificant intangible invisible microscopic minute momentary shadowy slight small subtle tiny trivial unnoticeable unobservable vague

ephemeral evanescent fine gradual impalpable imponderable inappreciable inaudible inconsiderable inconspicuous indiscernible indistinct indistinguishable infinitesimal insensible insignificant intangible invisible microscopic minute momentary shadowy slight small subtle tiny trivial unobservable vague

ephemeral evanescent fine gradual impalpable imponderable inappreciable inaudible inconsiderable inconspicuous indiscernible indistinct indistinguishable infinitesimal insensible insignificant intangible invisible microscopic minute momentary shadowy slight small subtle tiny trivial unnoticeable vague