おとotoru
1.

To be in a state of lower value, ability, or quantity compared to others.

2.

To not measure up to a certain standard or performance in comparison with something or someone else.

3.

To display a degree of inferiority in status or rank within societal or hierarchical contexts.

4.

To experience a decline or lesser quality over time, suggesting an age or era that is more recent.

Example:

彼女は、彼より、数学において劣っている。