Synonyms of undertone in English:

undertone


See definition of undertone

noun

1‘he said something in an undertone to the woman at his side’

SYNONYMS
low voice, murmur, whisper, mutter
low tones, hushed tones
ANTONYMS

shout

2‘she was deeply affected by the story's dark undertones’

SYNONYMS
undercurrent, hint, overtone, suggestion
connotation, nuance, intimation, inkling, insinuation, implication, trace, suspicion, tinge, touch, vein, breath, whiff, whisper, glimmer, atmosphere, aura, tenor, flavour, colouring, shade, smack
rare subcurrent