To pronounce "slackness", say SLACKN-ess — 2 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
slackness
Tap to hear · American accent
Accent
If an accent sounds the same, your device is missing that voice — it falls back to the closest one.
Speed
Syllable by syllable — tap each one
Record yourself saying slackness, then compare with the target. Your audio stays on this device — nothing is uploaded.
2
Syllables
9
Letters
SLACKN-ess
Say it like
"slackness" has 2 syllables: slackn-ess. It rhymes with blackness, if that helps it stick.
Practicing rhymes trains the same ending sounds.
"Slackness" has 2 syllables: slackn · ess.
Want the definition, translations into 8 languages, and read-aloud for full sentences?
Open “slackness” in the full dictionary →