underhandedly
un-der-hand-ed-ly
adverb
In a secret, dishonest, or deceitful way, often to gain an unfair advantage.
"He underhandedly tried to sabotage her promotion."
Thesaurus
Synonyms: underhand
un-der-hand-ed-ly
In a secret, dishonest, or deceitful way, often to gain an unfair advantage.
"He underhandedly tried to sabotage her promotion."
Synonyms: underhand