Inconceivable: meaning, definitions and examples

Use when something is so unlikely or strange that it cannot be imagined or believed.

• The idea of living on the moon seemed inconceivable a century ago.
• It's inconceivable that he would betray his best friend.

Use when something is so extraordinary or surprising that it is hard to accept it as true.

• The team's comeback in the last few minutes was unbelievable.
• Her story about meeting the celebrity was unbelievable.

Use when something is beyond what one can picture or consider within the bounds of reality.

• The level of destruction caused by the hurricane was unimaginable.
• The idea of losing a child is unimaginable for any parent.

Use when something is so shocking or unacceptable that it cannot be contemplated or considered as a possibility. This often has a negative connotation.

• For many, working on weekends is unthinkable.
• The thought of betraying his own country was unthinkable to him.

Use when something cannot be done or achieved under any circumstances.

• It is impossible to travel faster than the speed of light.
• Climbing that mountain without any equipment is simply impossible.

Use when something is beyond imagination or cannot be comprehended.

• The idea that humans could live on Mars seemed inconceivable a few decades ago

Use when something is so surprising or extraordinary that it is hard to accept as true.

• His performance was so good it was almost unbelievable

Use when something is so extreme or incredible that it is difficult to imagine.

• The destruction caused by the earthquake was unimaginable

Use when something is so shocking or extreme that it is difficult to think about or consider.

• The possibility of another world war is unthinkable

Use when something cannot happen or cannot be done.

• It is impossible for humans to breathe underwater without special equipment