1 (wiktionary) 2 (nl.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
visibly (Advanced search)

invisibly {adv} (in a way that can not be seen) unvisibly {adv} (invisibly) SEE: invisibly :: visibly {adv} (in a visible manner)