ものた物足monotaりないrinai
1.

Describes a feeling of dissatisfaction due to an incomplete or inadequate experience, often resulting from a sense that something essential is missing.

2.

Reflects a sentiment of disappointment when expectations are not fully met, leaving a lingering sense of want or hunger for more.

3.

Indicates a state where the outcome or quality falls short of what was anticipated, leading to a feeling that the situation lacks sufficient depth or substance.

Example:

このドラマは単純な勧善懲悪もので、今一つ深みに欠けて物足りない。