unreliable

For Miller, those differing adjustments cause lots of variability both across different polls, and even in the same surveys over time, rendering them highly unreliable guides to which candidates lead or trail by what margin.

Right now, facial recognition is considered too unreliable to be used as evidence anywhere.

However, strict browser privacy settings and AdBlocks have made this method increasingly unreliable.

Self-reported measures of alcohol and cigarette consumption can be unreliable.

Although accuracy increases in the weeks after infection, many of the early antibody tests were inconsistent and unreliable.

Could you talk a minute about the notion of being an unreliable narrator?

But Winter is dead, Clapton is tired of life on the road, and King unreliable in concert.

The results played right into the hands of those who wanted to portray the opposition as unreliable.

Excerpts of his video statements fill the highlight reels when unreliable confessions are the subject of TV programs.

The reports are often unreliable, however, leading to confusion.

They were utterly unreliable, yet their tale-bearing in Delhi might bring instant disaster to Malcolm and his native comrade.

But that man E., whom I found living in the same house with Nold, impressed me as rather unreliable.

She arrived, indeed, with lungs fairly collapsed and her heart entirely unreliable.

Abner Levens was locked in the unreliable jail of Coldriver village, and a watch placed over him.

But an unreliable boy at our school matched this history from the unwritten archives of his vulgar relatives.