Antonyms of adj euphonious

2 senses of euphonious

Sense 1
euphonious (vs. cacophonous), euphonous -- (having a pleasant sound; "a euphonious trill of silver laughter")

cacophonous (vs. euphonious), cacophonic -- (having an unpleasant sound; "as cacophonous as a henyard"- John McCarten)
        => cackly, squawky -- (like the cackles or squawks a hen makes especially after laying an egg)
        => croaky, guttural -- (like the sounds of frogs and crows; "a guttural voice"; "acres of guttural frogs")
        => grating, gravelly, rasping, raspy, rough, scratchy -- (unpleasantly harsh or grating in sound; "a gravelly voice")
        => gruff, hoarse, husky -- (deep and harsh sounding as if from shouting or illness or emotion; "gruff voices"; "the dog's gruff barking"; "hoarse cries"; "makes all the instruments sound powerful but husky"- Virgil Thomson)
        => jangling, jangly -- (like the discordant ringing of nonmusical metallic objects striking together; "cowboys with jangling spurs")
        => jarring -- (making or causing a harsh and irritating sound; "the jarring noise of the iron gate scraping on the sidewalk")
        => raucous, strident -- (unpleasantly loud and harsh)
        => rending, ripping, splitting -- (resembling a sound of violent tearing as of something ripped apart or lightning splitting a tree; "the tree split with a great ripping sound"; "heard a rending roar as the crowd surged forward")

Sense 2
euphonious -- ((of speech or dialect) pleasing in sound; not harsh or strident; "her euphonious Southern speech")

INDIRECT (VIA soft) -> loud -- (characterized by or producing sound of great volume or intensity; "a group of loud children"; "loud thunder"; "her voice was too loud"; "loud trombones")

Similarity of adj euphonious

2 senses of euphonious

Sense 1
euphonious (vs. cacophonous), euphonous -- (having a pleasant sound; "a euphonious trill of silver laughter")
       => golden -- (suggestive of gold; "a golden voice")
       => silvern, silvery -- (resembling or reminiscent of silver; "a soft silvern voice"; "singing in her silvery tones")

Sense 2
euphonious -- ((of speech or dialect) pleasing in sound; not harsh or strident; "her euphonious Southern speech")
       => soft (vs. loud) -- ((of sound) relatively low in volume; "soft voices"; "soft music")