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Exam: GRE (Verbal)

perfidious

IPA: /pərˈfɪdɪəs/

KK: /pərˈfɪdɪəs/

adjective

Definition: Describing someone who is deceitful and untrustworthy, often betraying others' trust.

Example: His perfidious actions led to the downfall of the entire team.

perfidiously

IPA: /pərˈfɪdɪəsli/

KK: /pərˈfɪdɪəsli/

adverb

Definition: In a way that is deceitful and untrustworthy, often betraying someone's trust.

Example: He perfidiously revealed their secrets to the enemy.

perfidiousness

IPA: /pərˈfɪdɪəsnəs/

KK: /pərˈfɪdɪəsnəs/

noun

Definition: The quality of being unfaithful or deceitful, especially in a way that betrays trust.

Example: His perfidiousness led to the downfall of the organization, as no one could trust him anymore.

perfidy

IPA: /pɜːrˈfɪdi/

KK: /pɜrˈfɪdi/

noun

Definition: A deliberate act of betrayal or treachery, often involving a breach of trust.

Example: His perfidy shocked everyone who thought he was a loyal friend.

perfluorocarbon

IPA: //pərˌfluːərəˈkɑːrbən//

KK: /pɜrˌfluərˈkɑrbən/

noun

Definition: A type of chemical compound made by replacing all hydrogen atoms in a hydrocarbon with fluorine atoms.

Example: Perfluorocarbons are used in various applications, including as blood substitutes in medical treatments.

perforate

IPA: /ˈpɜːrfəreɪt/

KK: /ˈpɜrfəˌreɪt/

adjective

Definition: Having holes or openings made in something, often for the purpose of allowing it to be torn or separated easily.

Example: The perforated paper made it easy to tear off each page.

intransitive verb

Definition: To go through or make a hole in something.

Example: The bullet perforated the wall.

transitive verb

Definition: To make a hole or holes in something, usually by piercing or stamping.

Example: The machine can perforate the paper to make it easier to tear along the lines.

perforation

IPA: /ˌpɜːr.fəˈreɪ.ʃən/

KK: /pɚˈfɔːr.eɪ.ʃən/

noun

Definition: A hole or a series of holes made by piercing or boring through a material, often used to separate sections in a sheet or roll.

Example: The document had several perforations along the edge to make it easier to tear off sections.

perforce

IPA: /pərˈfɔːrs/

KK: /pɚˈfɔrs/

adverb

Definition: By necessity or because of the situation; it indicates that something must happen due to circumstances beyond control.

Example: The project was delayed, and perforce, we had to extend the deadline.

performative

IPA: /pəˈfɔːrmətɪv/

KK: /pərˈfɔrmətɪv/

adjective

Definition: Describing something that performs an action or creates a situation simply by being said or done, often in a formal or conventional context.

Example: The performative nature of the wedding vows made the ceremony feel even more special.

noun

Definition: A statement or expression that performs an action rather than just conveying information, often used in linguistics and philosophy.

Example: In linguistics, a promise is an example of a performative because it creates an obligation when spoken.

perfunctorily

IPA: /pərˈfʌŋk.tər.ɪ.li/

KK: /pərˈfʌŋk.tər.ɪ.li/

adverb

Definition: In a way that shows little interest or effort, often done as a routine or duty without care for quality.

Example: She completed the task perfunctorily, barely paying attention to the details.

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