Suffixes come at the end of words. They help you to understand the meaning of a new word. Here are some common suffixes. suffix meaning examples er, or (noun) person worker, swimmer, instructor er, or (noun) machine, thing cooker, word processor ful (adjective) full of useful, beautiful ology (noun) subject of study sociology, psychology ics [...]

Prefixes (at the beginning of words) can help you to understand what a new word means. Here are some common prefixes. un- and dis- These prefixes have two meanings: they can have a negative meaning (as above), but they can also mean ‘the opposite of an action’ or ‘to reverse an action’. This meaning is [...]

A, AN-  not, without amoral, atrophy, asymmetrical, anarchy, anesthetic, anonymity, anomaly AB, A-  from, away, apart abnormal, abdicate, aberration, abhor, abject, abjure, abortive, abrogate, abscond, absolve, abstemious, annul, avert, aversion AC, ACR-  sharp, sour acid, acerbic, exacerbate, acute, acuity, acumen, acrid, acrimony AD, A- to, toward adhere, adjacent, adjunct, admonish, adroit, advent, abeyance, abet, accede, [...]

Prefixes (un-, in-, il-, ir-, and dis-) are often used to give adjectives (and some verbs and nouns) a negative meaning. Here are common examples: happy         unhappy like (v)       dislike (v) possible     impossible legal            illegal (= against the law) correct      incorrect regular      irregular, e.g. irregular verbs un- is used with [...]

Suffixes change word class, e.g. from verb to noun or noun to adjective, but they can also change meaning (see sections B and C below). Noun or verb + suffix Noun or Verb Suffix Adjectives danger, fame -ous dangerous, famous (= well-known) music, politics industry, economics -al musical, political, industrial, economical (= saves you money) [...]