Vocabulary and Synonyms

Indefatigable means tireless or incapable of being worn out. It describes someone who persists in their efforts without showing fatigue or giving up. The word combines 'in-' (not) with 'defatigare' (to tire out), literally meaning 'untiring' in character and effort.

Indigenous means native, original, or naturally occurring in a particular place. It refers to people, plants, animals, or other things that originate or have evolved in a specific region rather than being introduced from elsewhere. The term emphasizes authenticity and natural origin.

Indignity refers to treatment that is offensive, insulting, or humiliating. It describes situations where someone's dignity is violated through disrespectful behavior. Option C correctly captures this meaning of offensive or insulting treatment.

Indulgent means showing lenience or tolerance, especially toward behavior that might be disapproved of by others. It describes someone who is permissive or forgiving. Option D 'Lenient' correctly captures this meaning.

An ingrate is an ungrateful person who fails to show appreciation for kindness or favors received. The word describes someone who does not acknowledge or return kindness. Option B 'Ungrateful person' correctly captures this meaning.

Infraction refers to a violation of a rule, law, or agreement. It describes the act of breaking or failing to comply with established rules. Option C 'Violation' correctly captures this meaning.

Interlocutory means relating to conversation or dialogue between people. While it has a legal meaning (interim or preliminary court judgment), in this context it refers to conversational interaction. Option B 'Conversational' captures this meaning.

Insuperable means impossible to overcome, insurmountable, or unconquerable. It describes obstacles or difficulties that cannot be defeated or surpassed. Option D 'Invincible' correctly captures this meaning of something that cannot be conquered.

Intervene means to come between people or groups in order to prevent or resolve a conflict, or to take action in a situation. It describes the act of getting involved in something. Option C 'Come between' correctly captures this meaning.

Jaded means fatigued, worn out, or bored from overexposure or overindulgence. It describes someone who has lost enthusiasm or interest due to excessive experience. Option B 'Fatigued' correctly captures this meaning.

To inundate means to flood or overwhelm with large amounts of something, especially water. Option C 'Overflow' is the correct synonym as it captures this sense of something being filled beyond capacity. Options A, B, and D relate to completely different actions and do not match the meaning.

Kith refers to friends, family, and community - people you know well. Option B 'Familiar friends' correctly captures this meaning of close acquaintance. Options A, C, and D do not relate to the concept of known companions.

Invincible means impossible to defeat or overcome. Option D 'Unconquerable' is the correct synonym as it directly expresses this idea of being unable to be conquered. Options A, B, and C describe qualities unrelated to strength or inability to be defeated.

Irascible means having a quick temper or easily provoked to anger. Option D 'Irritable' is the correct synonym as it directly captures this tendency to become annoyed easily. Options A, B, and C describe completely different concepts.