むり無理muri
1.

A state in which actions or requests defy logic or reasoning, often leading to the conclusion that they cannot be justifiable or accepted.

2.

A condition in which a task is deemed too difficult or impossible to accomplish under the current circumstances, highlighting an insurmountable challenge.

3.

The act of pursuing or insisting on something in a forceful manner, often ignoring the challenges or implications that might arise from such an approach.

Example:

それは無理な注文だ。

むりやり無理矢理muriyariむり無理muriやりyari
1.

Describes an action taken with persistent insistence despite resistance or discomfort from others, often indicative of a strong will or imposition.

2.

Refers to the manner of compelling someone to do something they do not want to do, highlighting a lack of consideration for their feelings or desires.

3.

Signifies a situation where something is done in a coercive or abrupt manner, reflecting a disregard for the natural difficulties or objections involved.

Example:

彼は無理やり残業させられた。

むりじ無理強murijii
1.

The act of coercing someone to do something they are reluctant to do, often against their will or better judgment.

2.

A forceful imposition of demands or actions upon another person, disregarding their feelings or resistance.

3.

The process of compelling someone to comply with a request or directive, particularly when they clearly oppose it, suggesting a lack of respect for their autonomy.

Example:

私は彼を無理強いして私の意向に従わせた。

むりしんじゅう無理心中murishinjuu
1.

A situation where an individual takes the life of another person against that person's will, and then also takes their own life, often under extreme emotional distress.

2.

The act of coercively compelling a person who does not wish to die to join in a suicide pact, resulting in the deaths of both parties involved.

むりすう無理数murisuu
1.

A type of real number that cannot be represented as a fraction of two integers, exemplified by numbers like the square root of 2 and π (pi).

2.

A real number whose decimal representation is non-repeating and non-terminating, distinguishing it from rational numbers, which can be expressed in fractional form.