To say or do the opposite of something.

To be aware of something.

The protection of natural resources.

Able to be maintained over a period of time.

Falling or flowing in a way similar to a waterfall.

When something is exhausted or worn out.

Expressing something without stating it directly.

A place near a town or city where ships load & unload cargo.

Having the skill to do something; capable.

A journey taken for a reason, or a group taking such a trip.

A place where people have established a community.