Name: Date: Latin Prefixes mal-, ob-, and omni- Practice The Latin prefixes mal-, ob-, and omni- appear in many English words. Study the list of meanings and examples below. mal- ob- omni- "badly," "ill," "evil" "against," "in the way" "all," "every" maladjusted badly adjusted object = to speak against omniscient all-knowing A Fill in the missing word in each sentence. Use the meaning of the prefix in t underlined word to help you. 1. To maltreat a person means to treat a person 2. An omnipotent ruler is 3. An obstinate person stands powerful. everyone else. 4. A doctor guilty of malpractice practices medicine B Write the prefix mal-, ob-, or omni- to form a word that fits each definition 1. vorous: eating all kinds of food