to confuse and greatly surprise someone, so that they are unable to explain a situation

in a manner being free from the control of another

a speech sound; a, e , i, o, u and sometimes y

doing a lot of work and achieving a lot

one of the very large areas of land on Earth that are usually divided into several countries

a measure of the relationship between two variables

Communication by letters, emails or text messages

to grip something firmly with the hands

ideas or beliefs which form theory and policy

to give someone a disease