That surprises you; not expected. Something unexpected that slightly shocks you. To do something that another person didn't expect.

Most popular.

Unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma.

in manner relating to body as opposed to mind.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

Number 1,000,000,000. thousand million.

used to express uncertainty or possibility.

person, plant, or animal that is descended from particular ancestor. Family member from generations following you.

Be controlled or determined by..

individual animal, plant, or single-celled life form. Living thing, often one that is small.

consisting of many different connected parts. Group of buildings all used for the same purpose. cause to form complex.

arrogant or presumptuous. used for purpose of argument to indicate premise on which statement can be based. To act in a false manner to mislead others.

Study of past events as an academic subject.

A chance meeting; unexpected or unplanned meeting. To meet someone or something unexpectedly.

To arrange things into groups of similar items.