Without certainty could be replaced with 'possible' or maybe even 'doubtful'
The word you are looking for is "uncertainty." It describes a lack of sureness or confidence in a situation or outcome.
Something that is done, said, or chosen without certainty.
Do you mean 'certain'? Please try different spellings in your dictionary or dictionary-equipped word-processor. It means 'surely' 'without a doubt' ea: 'a certainty'
The word "ascertain" is a verb. It means to find out something with certainty.
certainty means sureness
It means degrees of certainty. LOL
A word that means without respect is disrespect.
It is with a great deal of certainty that I offer this example.
In an indefinite manner or degree; without any settled limitation; vaguely; not with certainty or exactness; as, to use a word indefinitely.
Fate Destiny Chance Providence Kismet Moira Fortune Certainty Luck(y) Bashert (Yiddish word meaning "it was meant to be")
Comperio
Uncertainty.
'Aijou' has several meanings; without seeing the kanji (or without context), it is impossible to translate with certainty. It is likely, however, that the 'aijou' you are referring to means "affection."