Definition of 有無を言わさず (うむをいわさず)
うむい
                        有無を言わさず
うむをいわさず
umuwoiwasazu
expression, adverb
•
        
peremptorily, willy-nilly, forcibly
See also:有無を言わせず
Related Kanji
| 有 | possess, have, exist, happen, occur, approx | 
| 無 | nothingness, none, ain't, nothing, nil, not | 
| 言 | say, word |