Making no clanking sound; silent or free from metallic noises.
From 'clank' + '-less' (suffix meaning 'without' or 'lacking'), following the productive English pattern of negation. Similar to 'soundless' or 'noiseless.'
The '-less' suffix is one of English's greatest weapons for creating opposites—you can add it to almost any noun and instantly create its opposite! 'Clankless' might sound invented, but it follows perfect English word-building rules.
Complete word intelligence in one call. Free tier — 50 lookups/day.