Synonyms: Using Prefixes to Identify Synonyms - ISEE Lower Level Verbal Reasoning

The prefix sub- means under. Someone who is "submissive" is someone who likes to be controlled by someone else, someone under control. The closest word to this is "obedient" which means someone who does what they are told. To provide further help, "hostile" means not friendly, threatening; "dominant" means in-charge, it is opposite in meaning to "submissive"; "frenetic" means chaotic and fast-paced; "unusual" means weird, not normal.

The prefix mal- means bad so you can reasonably infer that the correct answer must mean something bad. Something that is "malignant" is deadly, bad for you and dangerous. To provide further help, "benign" means not malignant, not deadly, harmless; "unkempt" means messy; "scarce" means rare, in short supply.

The prefixes con-, and com- mean with, together. As in "convene," which means meet, come together to discuss. So, "compact" means something like pushed together or "dense." If you need further help, "dense" means thick, tightly packed together.

The prefix re- means back or again. As in "respond," which means say something back, in reply. So, "reflect" means to think back on. This is closest in meaning to "consider." Additionally, "supplant" means replace; "discuss" means talk about; "acknowledge" means recognize, notice.

The prefix port- means carry or move. As in "transport," which means to move from one place to another. So, a "porter" is a carrier, someone who carries something. Additionally, a "miser" is someone who is not generous with money; a "mentor" is someone who guides someone else.

The prefix fore- means before. As in "forerunner," which means something that comes before something else. So, to "foretell" means to predict, to warn. All the other answer choices are things you do after an event. So, for example, "revert" means to change back to an earlier state.

The prefix proto- means first. So, a "prototype" is an early or first model of something. Additionally, "elementary" means basic, not complicated.

The prefix arm- means weapon, war. As in "disarm," which means to make safe, to take a weapon away from. So, "arms" are weapons or weaponry. Additionally, "society" is the name given to a group of people; "philosophy" is the study of the essential nature of things, literally the love of wisdom; "anatomy" is the area of science that studies the body structure of living beings.

The prefixes dys- and dis- means not. As in "dislike" which means to not like. Furthermore, "functional" means working properly. So, "dysfunctional" means not working. This is closest in definition to "broken." Additionally, "precious" means treasured, very special and important to; "literate" means able to read and write; "plucky" means courageous, brave, usually it describes someone small who is braver than might be expected; "repaired" means fixed.

The prefix therm- means hot, heat. As in "thermometer," which is something used to measure temperature. "Thermal" means related to heat, so the best answer choice here is of course "heat." Additionally, "mass" refers to the weight of something (in the science classroom the definition is a little more complicated, but for the purposes of practical vocabulary "mass" and "weight" are the same). Finally, "velocity" refers to speed.

The prefix cred- means believe. As in "incredible," which literally means unbelievable, too amazing to be easily believed. So, a "creed" is a belief. Additionally, "empathy" is the ability to feel what others are feeling; "apathy" is not caring; "naivety" is believing everything, being too easily convinced by others; your "reputation" is what others believe to be true about you, how others think of you.

The prefix morph- means shape. So, to "morph" literally means to change shape. Additionally, "suffer" means feel pain; "rejoice" means celebrate, draw happiness from; "unite" means bring together, join, connect; "preach" means deliver a speech to a group of people, particularly a religious message.

The prefix vol- means will. "Will" when used as a noun refers to a person's ability to do what they want to do. So, someone with "free will" is in control of his or her own life and can do what he or she wants to do. So, "voluntary" means done of one's own free will, optional, chosen. Additionally, "innocent" means not guilty; "invincible" means unstoppable, unable to be defeated; "scarce" means rare, in short supply; "sore" means in pain, hurting.

The prefix pro- means forward. So, to "prolong" means to extend, to extend something forward into the future. Additionally, to "discover" means to find; to "offend" means to upset someone, to cause anger; "menace" means threaten, scare; to "retire" means to stop doing something, often to stop working.

The prefix scrib- means write. As in "scribe" which means writer. So, "scribble" means to doodle, to write messily. This is, of course, closest in meaning to "write." Additionally, "complete" means finish; to "intend" means to mean to do, to deliberately do.

The prefixes bi- and di- mean two. As in, "biweekly" which means happening every two weeks. "Diverge" means split, separate and go in different directions. It helps to think of it like "diverge" = to go in two different directions. Additionally, "remain" means stay; "spoil" means ruin; "preserve" means maintain, save something for future use; "instruct" can mean either order, tell or teach, educate.

The prefix chron- means time. So, a "chronicle" is a record of events that have happened over time. Additionally, "amuse" means entertain, make laugh; "scatter" means spread out; "reproduce" means make another copy of or produce a child; "rush" means force something to happen too quickly.

The prefix a- means not. So, "atypical" means not typical, not normal, uncommon. Additionally, "tightfisted" means not generous with money, not likely to spend money; "earsplitting" means deafening, extremely loud; "gullible" means easily tricked into believing something, easily lied to; "roomy" means spacious, containing lots of room.

The prefix commu- means share. As in, "community" or "communism." So, "communal" means shared among a group. Additionally, "tender" means soft and delicate, caring; "remorseful" means feeling sorry for a wrongdoing; "vulgar" means rude and tasteless, lacking class; "efficient" means able to work quickly and correctly.

The prefix acro- means high. As in, "acropolis" which means city or building on a hill above a larger city. So, an "acrobat" is a high-flyer, otherwise known as a "gymnast." Additionally, an "omen" is a sign that warns about the future; a "chef" is someone who cooks food professionally; an "academic" is a scholar, someone who studies and teaches at a university; an "engineer" is someone who designs things for construction.