To pronounce "coastline", say COASTL-in-e — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
coastline
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3
Syllables
9
Letters
COASTL-in-e
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"coastline" has 3 syllables: coastl-in-e. It rhymes with saccharine and malign, if that helps it stick.
noun
Real example sentences from Tatoeba (CC-BY) — tap to hear each one, or see it used on YouGlish.
Practicing rhymes trains the same ending sounds.
"Coastline" has 3 syllables: coastl · in · e.
Coastline: The shape, outline, or boundary of a coast.
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