Vocabulary and Synonyms

Inviolable means "secure from violation or profanation" - something that must not be broken, dishonored, or corrupted. An inviolable law or principle is absolutely sacred and cannot be trespassed against. Option A correctly captures this sense of being completely protected from attack or corruption. Option D describes "retaliate."

Irascible means "having or showing a tendency to become angry easily." An irascible person is quick-tempered and easily provoked to anger - they have a short fuse. Option A correctly identifies this meaning. Option D describes "introverted" or "timid."

Irate means "feeling or showing extreme anger" - furious, enraged, or wrathful. An irate customer is someone who has lost their temper. Option A correctly captures this direct meaning of being angry. Option B describes a "shed" or "lean-to."

Invulnerable means "impossible to harm or damage" - completely immune to attack or injury. An invulnerable person or thing cannot be wounded or hurt. Option A correctly captures this meaning of being incapable of injury. Option B describes a "sheaf."

Ironic means "using or characterized by irony" - expressing meaning by using language that normally signifies the opposite. An ironic statement says one thing but means another, often for humorous or critical effect. Option A correctly identifies this as expressing irony. Option D describes "retribution."

Irony is "the expression of meaning using language that normally signifies the opposite" - a technique where the literal meaning differs from the intended meaning, often for humorous or satirical effect. It's a form of hidden sarcasm where words convey a contrary meaning. Option A correctly identifies this core concept. Option B describes "glimmer" or "twinkle."

Irremediable means incurable or impossible to remedy. It describes conditions or situations that cannot be corrected or improved. Option A is correct. The other options define impel, alliteration, and revelry.

An isotope is a variant form of an element with the same number of protons but different numbers of neutrons. Option A correctly identifies this concept despite the typo 'varying from' instead of 'varying form'. The other options define shyster, asunder, and repugnance.

An isthmus is a narrow strip of land connecting two larger land areas, typically with water on both sides. Option A is the correct definition. The other options define sibling, fracas, and rhapsodize.

Itinerant means wandering or traveling from place to place, especially for work. It describes people who move around rather than staying in one place. Option A is correct. The other options define vatic, magnanimous, and rhapsodic.

To jab means to poke or thrust abruptly with something pointed or sharp. It can be a physical action or metaphorical verbal attack. Option A is correct. The other options define sidetrack, amalgamate, and ribald.

Irrefutable means indisputable or impossible to disprove. It describes evidence or arguments that cannot be contested. Option A is correct. The other options define shoddy, allegory, and retrograde.

Irreparable means not able to be corrected, repaired, or made right. It describes damage or harm that is permanent. Option A is correct. The other options define termagant, allot, and reiterate.

Irrepressible means unable to be restrained, suppressed, or held back. It describes something that cannot be controlled or contained, like enthusiasm or laughter. Option A is correct. The other options define adroit, amalgam, and venerable.

Irreproachable means beyond reproach or faultless. It describes behavior or character that cannot be criticized. Option A is correct. The other options define shrivel, allude, and deferential.