prefixes and suffixes that are added to base words

the smallest meaningful unit in a language (root\affixes\inflections

has an opposite meaning

a word or phrase borrowed from another language by literal word-for-word or root-for-root translation. (I very like ... ).

words which are frequently used together (sleep peacefully\well\badly)

an idea or feeling that a word suggests, which is more than just its meaning. (pig-headed).

mixing words to make a new one (brunch)

two or more words join together and TOGETHER act as if they are one unit of meaning (run out of\ not sleep a wink)

a group of words that has a special meaning that is different from the ordinary meaning of each separate word. For example, ‘under the weather’ is an idiom mean

words made from two separate words (headache)