TOEFL Vocabulary Set 6 – 2026 Expert-Verified | 25+ Advanced Academic Words with Definitions & Tone Nuance

This expertly curated vocabulary list, TOEFL Vocab 6, offers over 25 high-impact academic words ideal for students preparing for the 2026 TOEFL iBT exam. Designed in a Q&A flashcard format, each word includes the part of speech and a concise, exam-ready definition. Many terms focus on emotional tone, logical critique, and descriptive intensity, making this set highly relevant for the TOEFL Reading, Listening, and Writing sections. The selection aligns with CEFR B2–C1 proficiency and is well-suited for advanced ESL learners aiming to articulate nuanced arguments and analyze academic texts. Highlighted vocabulary includes: Diligence & Attitude: sedulous – diligent, persistent, hardworking zeal – passion, excitement precocious – early intellectual maturity lethargy – lack of energy lackadaisical – half-hearted, lazy Praise & Critique Vocabulary: laud / extolled – to praise highly excoriate – to harshly criticize redress – to correct a wrong censure – strong disapproval Descriptive & Emotional Tone: salubrious, salutary – promoting health incendiary – flammable or provocative heretical – departing from accepted beliefs irascible – easily angered panoramic – wide-ranging, scenic consanguineous – related by blood Intellectual & Physical Energy: indolence – avoidance of activity torpor – sluggishness regenerative – able to renew or regrow deleterious – harmful implausible – hard to believe With simple and test-relevant definitions, these terms are especially useful for: – TOEFL iBT candidates improving vocabulary for tone recognition and formal writing – Advanced ESL students building abstract and critical-thinking vocab – GRE or SAT prep learners needing overlap with Kaplan/Barron’s vocab lists – Tutors and instructors designing advanced vocabulary drills or essay prep Keywords: TOEFL vocabulary 2026, sedulous vs lethargy, praise vocabulary TOEFL, censure vs redress, irascible meaning ESL, lackadaisical tone word, incendiary definition test prep, advanced ESL flashcards, CEFR C1 vocabulary list, TOEFL academic word list, GRE SAT vocab overlap, expert-verified TOEFL vocab, precocious vs petulant meaning