Which meaning of wu is suitable for a boy’s name?

Wu.

1. The meaning of 武

1. About military affairs (as opposed to "文").

2. About martial arts.

3. Brave; violent.

2. Group words

Wushu, arbitrary, mighty, heroic, martial artist, etc.

Word group

1. Xiwu [xí wǔ]?

Practice martial arts; practice martial arts.

2. Arbitrary [ wǔ duàn ]?

1. Making judgments based solely on subjectivity.

2. Describe words and deeds that are subjective and one-sided.

3. Use power to decide what is right and what is right.