crucial

decisive or critical, especially in the success or failure of something

crusade

an organized campaign concerning a political, social, or religious issue, typically motivated by a fervent desire for change

culminate

reach a climax or point of highest development

customary

according to the customs or usual practices associated with a particular society, place, or set of circumstances

debut

the first public appearance of a person in a role, new product or presentation of a theatrical show

deceased

dead; no longer living

deceitful

guilty of or involving deceit; deceiving or misleading others

deceptive

giving an appearance or impression different from the true one; misleading

decipher

succeed in understanding, interpreting, or identifying (something)

decree

an official order issued by a legal authority

deface

spoil the surface or appearance of (something)

defect

abandon one’s country or cause in favor of an opposing one

demeanor

outward behavior or bearing

dependent

unable to do without

deplore

feel or express strong disapproval of (something)

deploy

bring into effective action; utilize

derive

obtain something from (a specified source)

desist

cease; abstain

desolate

(of a place) deserted of people and in a state of bleak and dismal emptiness

detach

disengage (something or part of something) and remove i

deter

discourage (someone) from doing something

devastate

destroy or ruin (something)

dialect

a particular form of a language that is peculiar to a specific region or social group

dire

(of a situation or event) extremely serious or urgent

discern

perceive or recognize (something)

disdain

the feeling that someone or something is unworthy of one’s consideration or respect

disgruntled

angry or dissatisfied

dishearten

cause (someone) to lose determination or confidence

dismal

pitifully or disgracefully bad

dismantle

take (a machine or structure) to pieces

Take an ISEE Middle Level Practice Test

Now that you've aced this vocabulary group, apply your skills to the Verbal Reasoning section of our ISEE Middle Level Practice Tests. Piqosity offers 10 full-length practice tests for the ISEE Middle Level. Learn more and sign up at Piqosity.com/ISEE-Middle-Level.