Unreliable

The weather forecast is unreliable during hurricane season.

The unreliable electricity supply caused disruptions in the factory's production.

The contractor was known for being unreliable, often failing to complete projects on time.

The used car dealer had a reputation for selling unreliable cars.

The investment advisor was deemed unreliable by her clients.

The unreliable weather forecast caused them to cancel their outdoor plans.

The public transportation system in this city is unreliable and often delayed.

The unreliable real estate agent failed to sell the property despite multiple listings.

The old bridge was deemed unreliable and unsafe for use.

The stock market is notoriously unreliable for predicting the future.

The unreliable delivery service caused many customer complaints.

Don't rely on an unreliable source for accurate information.

The used car salesman is unreliable when it comes to disclosing the true condition of the vehicles he sells.

The cheap equipment is unreliable and prone to breaking down easily.