おも重omoたいtai
1.
Describes the physical sensation of weight, often used to indicate that an object feels difficult to lift or carry.
2.
Expresses a metaphorical sense of emotional or psychological burden, suggesting feelings of sadness or heaviness in one's spirit.
3.
Indicates a critical or significant nature, often referring to serious matters or consequences that are not negligible.
Example:
その箱は重たくて運べません。