Synonyms of falseheartedly
- 3 Syllables
- crookedly, basely, disloyally, faithlessly, roguishly, falsely
- 4 Syllables
- maliciously, dishonestly, perfidiously, traitorously, treacherously, unfaithfully
- 5 Syllables
- dishonorably, malevolently, unscrupulously, underhandedly