Definition of 無二無三 (むにむさん)

noun, no-adjective
1.
in earnest, single-minded, with intense concentration, rushing headlong into(yojijukugo)
2.
one and only, unique
Other readings:
無二無三【むにむざん】
Related Kanji
nothingness, none, ain't, nothing, nil, not
two, two radical (no. 7)
three