12 4 noun n noun
• a teacher or teacher's assistant who demonstrates the principles that are being taught
Example sentence • The police arrested several demonstrators during the protest.
10 4 noun n noun
• an expert at calculation (or at operating calculating machines)
Example sentence • I need a calculator to add up these numbers.
12 5 noun n noun
• a person who communicates with others
Example sentence • She is a skilled communicator and can effectively convey her ideas to others.
12 5 noun n noun
• someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
Example sentence • The exterminator sprayed the entire house to get rid of the ants.
13 5 noun n noun
• someone who administers a business
Example sentence • The school administrator has extensive experience in managing large educational institutions.
11 5
No meanings yet for this word...
Example sentence • She used an illuminator to highlight her cheekbones.
8 4 verb, noun v, n noun
• (mathematics) a symbol or function representing a mathematical operation
Example sentence • The telephone operator connected the call.
9 4 noun n noun
• a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index)
Example sentence • I took the escalator down to the subway platform.
10 4 noun n noun
• a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans
Example sentence • I brewed coffee in the percolator this morning.
11 5 noun n noun
• the divisor of a fraction
Example sentence • The denominator of the fraction is 5.
7 3 noun n noun
• a person who fixes the boundaries of land claims
Example sentence • The store locator on the website helps customers find the nearest retail store.
11 5 noun n noun
• an agent that operates some apparatus or machine
Example sentence • She is a skilled manipulator , able to control people with her words.
12 5 noun n noun
• someone who assists in a plot
Example sentence • He is a valued collaborator in our research project.
9 4 noun n noun
• a workman who excavates for foundations of buildings or for quarrying
Example sentence • The construction crew used an excavator to dig a deep trench for the foundation.
11 4 noun n noun
• someone who perpetrates wrongdoing
Example sentence • The police are searching for the perpetrator of the crime.
8 4 noun n noun
• someone who violates the law
Example sentence • The police officer issued a ticket to the speed violator .
13 5 noun n
No meanings yet for this word...
Example sentence • The disintegrator was used to destroy confidential documents.
9 4 noun n
No meanings yet for this word...
Example sentence • The modulator adjusts the frequency of the radio signal.
11 5 noun n noun
• a person who is employed to collect payments (as for rent or taxes)
Example sentence • She used an accumulator to keep track of her daily expenses.
8 3 noun n noun
• someone who tells a story
Example sentence • The narrator of the story described the events in great detail.
8 4 noun n noun
• any object that radiates energy
Example sentence • The radiator in the living room is leaking.
7 3 noun n noun
• a muscle or nerve that dilates or widens a body part
Example sentence • The doctor used a dilator to widen the patient's narrowed blood vessels.
9 4 noun n noun
• someone whose job is to fumigate
Example sentence • The fumigator sprayed insecticide to kill the mosquitoes.
10 4 noun n noun
• a substance capable of reducing friction by making surfaces smooth or slippery
Example sentence • The mechanic used a lubricator to oil the machinery.
11 4 verb, noun v, n noun
• a person who practices masturbation
Example sentence • He was caught using a masturbator in public.
10 5 noun n
No meanings yet for this word...
Example sentence • The evaporator is an essential component of a refrigeration system.
7 3 noun n noun
• One who or that which rotates.
Example sentence • The rotator in my car's engine was damaged, causing it to function improperly.
10 5 noun n noun
• someone who negotiates (confers with others in order to reach a settlement)
Example sentence • The negotiator was able to reach a compromise between the two parties.
11 5 verb, noun v, n
12 5 noun n noun
• a murderer (especially one who kills a prominent political figure) who kills by a surprise attack and often is hired to do the deed
Example sentence • The police arrested the assassinator before he could complete his mission.
14 5 noun n noun
• a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
Example sentence • The doctor prescribed a bronchodilator to help open up her airways.
10 5 noun n noun
• a man who ejaculates semen
Example sentence • The doctor used an ejaculator to collect a semen sample.
11 5 noun n noun
• someone who frees others from bondage
Example sentence • Abraham Lincoln is considered an emancipator for his role in abolishing slavery in the United States.
8 4 noun n noun
• someone who (fraudulently) assumes the appearance of another
Example sentence • He was known as a master imitator , able to mimic the voices of famous celebrities.
12 5 noun n noun
• a small vehicle with four wheels in which a baby or child is pushed around
Example sentence • She took her baby out for a stroll in the perambulator .
7 3 noun n noun
• an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles
Example sentence • The equator is an imaginary line that divides the Earth into northern and southern hemispheres.
8 4 noun n noun
• someone who imparts energy and vitality and spirit to other people
Example sentence • The animator created stunning visuals for the animated film.
11 4 noun n noun
• an expert who observes and comments on something
Example sentence • The commentator provided a detailed analysis of the game.
11 4 noun n noun
• an artist who makes illustrations (for books or magazines or advertisements etc.)
Example sentence • She worked as an illustrator for a children's book.
10 4 noun n noun
• someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
Example sentence • The terminator walked silently through the wreckage, scanning for any signs of life.
8 4 noun n noun
• a mechanism that puts something into automatic action
Example sentence • The actuator is responsible for controlling the opening and closing of the valve.
8 4 noun n noun
• a person who uses flattery
Example sentence • He was known as an adulator , always seeking to please those in power.
9 4 noun n noun
• an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile
Example sentence • He is known as the alienator because he always tries to create division among friends.
9 4 noun n noun
• a pump that draws air or another gas through a liquid
Example sentence • The doctor used an aspirator to remove the mucus from the baby's nose.
9 4 noun n noun
• a cosmetic for temporary removal of undesired hair
Example sentence • I bought a depilator to remove unwanted hair.
8 4 noun n noun
• someone who copies the words or behavior of another
Example sentence • I use an emulator to play old video games on my computer.
10 4 noun n noun
• a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
Example sentence • The tear gas used by the police is a type of lacrimator .
10 4 noun n noun
• a member of a conspiracy
Example sentence • He was a notorious machinator who manipulated politicians for his own gain.
8 3 noun n noun
• traveler who moves from one region or country to another
Example sentence • The migrator bird follows a specific route during its annual migration.
9 4 noun n noun
• someone who proposes a candidate for appointment or election
Example sentence • The nominator of the award called out the winner's name at the ceremony.
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