Learn how to say Swarthily correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word swarthily:
in such a way as to be dark-hued or dark-complexioned
swarthy (ˈswɔːðɪ Pronunciation for swarthy )
Word forms: swarthier, swarthiest
dark-hued or dark-complexioned
C16: from obsolete swarty, from swart + -y1