indelible

/ɪnˈdɛləbəl/ · in-DEL-uh-buhladjective

Impossible to remove, forget, or erase.

Use indelible for a physical mark, memory, impression, or influence that remains permanently or for a very long time.

What indelible Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Permanent physical mark

Made with material that cannot easily be removed or washed away.

Example

The archivist used indelible ink to label the storage boxes.

2

Unforgettable impression

Remaining powerfully fixed in a person's memory or identity.

Example

The teacher's encouragement left an indelible impression that influenced her student's career.

3

Lasting historical effect

Continuing to shape a community, institution, or culture long after an event.

Example

The event left an indelible mark on the community.

Use indelible Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

The event left an indelible mark on the community.

Her first view of the restored mural made an indelible impression.

The migration left an indelible influence on the region's language and cuisine.

Precision Matters

Indelible overlaps with several common words, but each carries a different emphasis.

indelible

Often stresses resistance to erasure from memory or identity.

vs.
permanent

Broadly means intended or expected to last indefinitely.

indelible

Suggests an impression fixed too deeply to remove.

vs.
enduring

Means continuing to exist or remain influential over time.

indelible

Is stronger and suggests the memory cannot be erased.

vs.
memorable

Simply means worth remembering or easy to recall.

indelible

Describes a mark or influence that remains.

vs.
irreversible

Describes a process or change that cannot be undone.

Test indelible in Context

The impression remains fixed in memory over many decades.

1

The teacher’s brief encouragement shaped Arun’s ambitions for decades, leaving an indelible impression that he recalled throughout his career.

As used in the text, “indelible” most nearly means…

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated2 August 2026
Selection and reviewRead our methodology