periscopically in English dictionary periscopically Meanings and definitions of "periscopically" Using a periscope. With a similar movement to that of a periscope. adverb Using a periscope. adverb With a similar movement to that of a periscope. more Grammar and declension of periscopically periscopically ( comparative more periscopically, superlative most periscopically) periscopically (comparative more periscopically, superlative most periscopically) more Sample sentences with "periscopically" Declension Stem Try again Authors