Without an accent; not marked with stress or special emphasis in pronunciation.
From accent + -less (forming adjectives meaning 'without'). Accent comes from Latin accentus (tone of voice), from ad- (to) + cantus (song).
Linguists debate whether truly accentless speech exists—even neutral speakers have subtle patterns of stress that reveal where they're from or what they're emphasizing, so 'accentless' is more of an ideal than a reality!
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