Using context clues to help you understand the meaning of words you read MOSTLY involves

Aanalyzing word parts including prefixes, suffixes, and root words.
Brecognizing and finding definitions, synonyms, and antonyms for the word within the text.
Clooking for signal words in the sentence to help you identify the word's meaning.
Dusing your own knowledge of words you have learned from listening and speaking in order to figure out unknown words in the text.