Definition of 知らず (しらず)
し
                        知らず
しらず
shirazu
noun (suffix)
1.
not having, unaffected by
conjunction
2.
aside, I don't know about ...(often as ~は知らず)
3.
I know not whether, I know not if(archaism)(at the beginning of a sentence)
Other readings:
                不知【しらず】
                Related Kanji
| 知 | know, wisdom | 
| 不 | negative, non-, bad, ugly, clumsy |