adjective as in strong fondness

Strongest matches

indispensable, essential, irreplaceable

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Example Sentences

Example:The eyepiece of a microscope is indispensable for observing small details in samples.

Definition:Absolutely necessary and having a critical importance; without which something can't be done or is unlikely to succeed.

From indispensable

Example:Water is an essential part of survival, and without it, life would not exist on earth.

Definition:Absolutely necessary, or vitally important. The bare essentials needed are only those things which are necessary

From essential

Example:A leader's presence in the room can make a meeting more productive; his opinion is irreplaceable.

Definition:Something that can't be replaced, matched, compensated for, or done without; necessary to achieve an end or succeed.

From irreplaceable