Indistinguishable ( adjective , verb )

(As an adjective)

Indistinguishable ( adjective )

1. Unable to be distinguished or differentiated; identical or very similar.
2. Impossible or very difficult to perceive the difference.

Origin:

Early 17th century: from in- "not" + distinguish + -able.

Examples:

1. The twins were indistinguishable even to their parents.
2. The counterfeit bill was indistinguishable from a real one.
3. The two samples were indistinguishable under the microscope.
4. The voices on the recording were indistinguishable.
5. The two paintings were indistinguishable to the untrained eye.

(As a verb)

Indistinguishable ( verb )

1. Unable to be distinguished or differentiated; identical or very similar.
2. Impossible or very difficult to perceive the difference.

Origin:

Early 17th century: from in- "not" + distinguish + -able.

Examples:

1. The twins were indistinguishable even to their parents.
2. The counterfeit bill was indistinguishable from a real one.
3. The two samples were indistinguishable under the microscope.
4. The voices on the recording were indistinguishable.
5. The two paintings were indistinguishable to the untrained eye.