uncertain

in no uncertain terms

a person of uncertain character

I was uncertain how to proceed.

an uncertain recollection of the sequence of events.

They are uncertain about what to do next.

the boy's voice had an uncertain crack in it.

a lady of uncertain age

The police are still uncertain of the murderer's identity.

I am uncertain what to do.

They maintained an uncertain attitude.

she had to contend with his uncertain temper.

he led a roguish and uncertain existence.

domestic changes of great if uncertain consequences.

I told them in no uncertain terms to buzz off.

I told him in no uncertain terms what I thought of his behaviour.

at times the tuning is uncertain, and the solos often lack conviction.

she has already refused me, in no uncertain terms.