used to emphasize accuracy of figure or description.

something that is kept or meant to be kept unknown or unseen by others. Information that others do not know.

artificial underground passage. Passages under the ground often for cars or trains. To dig a hole from one side to another.

Having a big effect on (person, the future).

To free someone from a responsibility or burden.

Belief in God or gods that governs people's lives.

To hold something inside something else.

difficult or impossible to understand or identify.

Very upsetting due to some unexpected event. To cause great surprise, horror, or anger.

Expressed using writing. To invent or create a computer program. mark symbols on surface with pen.

piece of written, printed, or electronic matter that provides information or evidence. Official (printed) records that gives information. record something in form.

To find something new that was not known before.

person who studies human history and prehistory. Scientist studying ancient societies.

it may be argued.

occupation, profession, or work of teacher. Wise words of people (often famous).