gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

situated beneath surface of ground. beneath surface of ground. Subway system, e.g. in London.

Creating interest, happiness or pleasurable fear. To make someone feel happy, interested or eager.

(E.g. of a temperament) easily angered; violent.

Best liked or most enjoyed. A thing that someone likes best or enjoys most.

What you ask about; issue. To have or express concerns or uncertainty.

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

fossil reptile of Mesozoic era. Reptile that lived millions of years ago.

person with whom one spends time. People who keep you company, goes out with you. accompany.

Out-dated; very old-fashioned.

Mountain through which hot liquid earth can erupt.

Complex; difficult to understand. undefined.

Way in which two or more things are connected.

Of the top layer; not deep or meaningful. Nature or emotions that show, but may not be true. To come to the top of something; emerge.

To be all the way around something.