Poor Quality or Condition

acceptable, but not exceptional

The new restaurant's food was fair to middling, not exceptional but not terrible either.

to fail to fulfill one's expectations

The new software's user interface leaves a lot to be desired, making it difficult to navigate.

in a very good condition, particularly compared to a previous state

The team's star player returned from injury in good nick, showcasing exceptional skills and contributing to the team's success.

used to say that a person or thing is not as good as other people say they are

The new restaurant had received rave reviews, but the food was mediocre and not as delicious as it was cracked up to be.

used to describe someone who is really tired after an exhaustive physical activity

If you don't take care of yourself, you will be feeling worse for wear in the morning.

used to suggest someone that a particular course of action or choice is better than what they think, even though it is still bad

You could do worse than to follow her advice in this matter.

used to refer to something that cannot be restored to its original or previous condition

The damage to the ancient artifact was beyond recall, despite the best restoration efforts.

used to refer to someone who does not have enough money and is considered poor by the society's standards

Despite his once prosperous background, he fell on hard times and was now out at the elbows, struggling to make ends meet.

in a depressed, bad, or weakened state

Consumer confidence is currently at a low ebb due to economic uncertainties.

used to refer to machinary that is not functioning properly or at all

The old printer is on the blink again; it's time to consider getting a new one.

unable to operate normally for a limited time

The elevator is currently out of action due to maintenance work; please use the stairs.

to stop living

After a long battle with illness, the elderly man peacefully gave up the ghost in his sleep.

(of shoes) with a heel that is in a bad condition

You have come all this way with that down-at-heel shoe?