うらura
1.

The side or surface that is not visible or is hidden, typically opposite to the front or main surface, often used in contexts like clothing or paper.

2.

A concealed aspect or deeper truth that is not immediately apparent, suggesting complexity or hidden motives beyond what is visible.

3.

A situation or action that goes against expectations or common understanding, indicating a strategy that surprises or outwits an opponent.

4.

The internal fabric or lining of an object, which is intended for support or decoration and is not typically seen from the outside.

5.

A term used in sports, particularly baseball, to refer to the inning in which the team that is currently in defense prepares to bat, contrasting with the team that is in an offensive position.

Example:

靴のにガムがこびりついちゃった。

うらぎ裏切uragiru
1.

To act in a way that goes against a promise or trust, aligning oneself with the opposing side or disloyalty towards someone regarded as an ally.

2.

To display behavior that contradicts the expectations or predictions held by others, resulting in a surprising or disappointing outcome.

3.

To violate one’s own beliefs or principles, effectively deceiving oneself in the process.

Example:

やつは僕を裏切ったんだ!

のうり脳裏nouri
1.

The mental space where thoughts and memories arise, often used to describe fleeting ideas or reflections that come to consciousness.

2.

The interior realm of the mind where personal experiences and images are stored, influencing perception and emotion.

3.

The cognitive area in which memories can surface unexpectedly, often associated with a blend of nostalgia and introspection.

4.

The compartment in one's consciousness that houses the remnants of past experiences, frequently surfacing during moments of contemplation.

Example:

危険だという考えはその時、私の脳裏を横切らなかった。

うらがわ裏側uragawa
1.

The side of an object that is usually hidden from view, often referring to the less visible or concealed aspects that may carry deeper or unexpected implications.

2.

The part of an item that faces away from the standard or outer side, such as the back surface or the interior lining, contrasting with the front or visible exterior.

3.

An expression used to denote underlying conditions or situations in society or life that are not immediately apparent, sometimes hinting at darker or more complex realities behind a facade.

4.

The side of an object that is not intended to be seen, including any surface that contributes to the overall structure but is rarely acknowledged in everyday interactions.

Example:

えりはまず裏側にアイロンをかけ次に表側をかけなさい。

うらはら裏腹urahara
1.

A state in which actions and words are inconsistent or contradictory, often highlighting a divergence between a person's true feelings and their expressed opinions.

2.

A condition where two elements are adjacent yet exhibit contrasting characteristics, symbolizing a relationship that is inherently opposed or inverted.

3.

The quality of representing opposites or contradictions, often used to describe situations where appearances do not align with reality.

Example:

「見た目は悪くないがちょっと軽薄そう」な外見とは裏腹に、彼女はいないし、女性に手が早いワケでもない。