Not trustworthy

Usage examples of unreliable.

The Lizard tanks were not the slow, balky, unreliable machines England used.

The airship dropped lower and lower until the altimeter - an unreliable device worked by barometric pressure - warned them they were as low as they dared go in darkness.

With the jury gone from the room, Burnett began the discussion by noting that results of polygraph tests, though frequently used by police, have long been considered too unreliable to be introduced as evidence in trials.

There was no way of knowing how wide a margin of error had been allowed during the early attempts to set up the Station, and the scattershot technique of hurling material into the past had been pretty unreliable.

At the Oxus, a ferryman gave a description confirming that Khilburn was traveling west with three men, including the Targui, but it was instinct that told Shahid they would take the seldom-used southern route, with its unreliable water supply.

All others are false and unreliable, unapostolic, and probably composed by heretics.

Alone, unchecked, unseconded, writing me, dragging me through all his sweet, unreliable, poorly timed declarations of maybe love.

The best anyone could say was that the Emperor was dwelling in seclusion somewhere, seen only by his doctors, but there were a great many unreliable stories circulating about his location: perhaps he was here in Roma, perhaps on the isle of Capreae down in the south, or maybe even in Carthago or Volubilis or some other sun-blessed African city.

So unreliable are a majority of the fluid extracts, tinctures, and concentrated, active principles found in the drug-stores, that we long since found it necessary to have prepared in our laboratory, most of those which we employ.

I can bring as many as you wish, though as you see they are quite dangerous in the hands of unreliable men.

Francesca said that Jaycee Beaudine sounded like a perfectly odious person and Dallie should have had enough sense early on to realize that the opinions of unsavory people like that were completely unreliable.

He could not tell whether the frigate had spoken the pahi or not: all he knew was that both wind and sea had strengthened and that even if by some extraordinarily lucky chance the Surprise gained any information from the pahi, it must be fragmentary, uncertain, totally unreliable.

A team set up in Nanjing to intercept Nationalist communications was hampered by unreliable electrical power.

From the 1970s on, the conventional wisdom was that his data were unreliable or statistically unsound, and newer methods and models became popular.

They had a polygraph examination that Bill Durham said Damien had flunked, but polygraphs are considered too unreliable to be admissible in court.