adjective as in strong fondness

Strongest matches

irreplaceable, insubstitutable

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Example Sentences

Example:The old, irreplaceable horseshoe was kept as a reminder of a bygone era.

Definition:Unable to be replaced or substituted.

From irreplaceable

Example:Her voice is insubstitutable due to its unique timbre and range.

Definition:Cannot be substituted or replaced.

From insubstitutable