untrustworthily
Adverb
Meaning
untrustworthily (comparative more untrustworthily, superlative most untrustworthily)
In an untrustworthy manner.
Synonyms
dubiously
variably
deceitfully
questionably
treacherously
suspiciously
capriciously
changeably
shadily
shiftily
fallibly
cuckoldly
slipperily