ASVAB Word Knowledge things to know.

Synonyms and Antonyms

A synonym is a word that has the same meaning as or a very similar meaning to another word. Smile and grin are synonyms. They may not mean exactly the same thing, but their meanings are very similar. Anantonym is a word that has an opposite or nearly opposite meaning as another word. Smile and frown are antonyms.

Prefixes

Description A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix un- is added to the word happy, it creates the word unhappy. ... Prefixes, like all other affixes, are usually bound morphemes. Sub- Definition: under Example Sentence: He has never seen a blue submarine in the my life. Post- Definition: postgraduate Example Sentence: I will do my postgraduate work at London University. Auto- Definition: self Example Sentence: Dou you drive a manual or automatic car? Post- Definition: postgraduate Example Sentence: I will do my postgraduate work at London University. Un- Definition: not Example Sentence: Her attitudes are unfriendly. Semi- Definition: half Example Sentence: So to play in the semifinal and the final is a dream for me. Mis- Definition: Wrong, wrongly Example Sentence: I'm sorry but you misunderstood me. Dis- Definition: Not, opposite of Example Sentence: Your behavior was disgraceful. Re- Definition: Again Example Sentence: Try where possible to reuse paper. Ex- Definition: Former, older Example Sentence: His ex-wife was supposed to meet you at a friend's home. Pre- Definition: Before Example Sentence: She starts preschool this fall.

Suffixes A suffix is a letter or group of letters, for example '-ly' or '-ness,' which is added to the end of a word in order to form a different word, often of a different word class. For example, the suffix '-ly' is added to 'quick' to form 'quickly. ' Compare affix and , prefix.

Noun Suffixes -eer Meaning: engaged in something, associated with something Examples: auctioneer, volunteer, engineer, profiteer -er Meaning: someone who performs an action Examples: helper, teacher, preacher, dancer -ion Meaning: the action or process of Examples: celebration, opinion, decision, revision -ity Meaning: the state or condition of Examples: probability, equality, abnormality, civility -ment Meaning: the action or result of Examples: movement, retirement, abandonment, establishment -ness Meaning: a state or quality Examples: fondness, awareness, kindness, darkness -or Meaning: a person who is something Examples: distributor, investigator, translator, conductor -sion Meaning: state or being Examples: depression, confusion, tension, compulsion -ship Meaning: position held Examples: worship, ownership, courtship, internship -th Meaning: state or quality Examples: strength, labyrinth, depth, warmth