Un- and Non- are two different types of negative prefixes, which means that they are part of words that need to be added to other words to change their meaning. The prefix non- is the most useful prefix, as it...

The term dubious refers to something that is questionable in character, something that is untrustworthy. Doubtful refer to something that is of uncertain outcome or result. It also refers to unsettled in...

Careful is described as exercising or taking care, whereas cautious is described as being careful about avoiding danger or risk. In the real word, being careful is considered as a smart approach, whereas being...

Mrs is used only for married women. Miss is traditionally used only for an unmarried woman. Ms can be used for a woman, regardless of her marital status. It is the default form of address for women.

An argument is basically a verbal non-agreement, an altercation. In an agreement, people put forth their different opinions, and then each person tries to convince the others that viewpoint is correct. A...