Nonequivalent (adjective)

Not equal in value, amount, function, meaning, etc.

Origin:

Derived from the prefix "non-" meaning "not" or "without" and "equivalent" meaning equal in value, amount, function, meaning, etc.

Examples:

1. The nonequivalent groups in the study were not equal in terms of age and gender.
2. The translation of the word was not nonequivalent to the original meaning.
3. Nonequivalent exchange rates are not equal in value.
4. Nonequivalent fractions are not equal in value.
5. The two methods are nonequivalent as they measure different things.