To pronounce "costlessly", say COSTL-essly — 2 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
costlessly
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2
Syllables
10
Letters
COSTL-essly
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"costlessly" has 2 syllables: costl-essly.
"Costlessly" has 2 syllables: costl · essly.
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