TOEFL IELTS vital Definition Absolutely necessary or essential. 日本語 絶対に必要または不可欠 Example "Water is vital for human survival." Sign in to save TOEFL Quiz → IELTS Quiz → ← visualize vitality → Study tips featuring "vital" Map Each Word Into a Connected Network Audit Your Own Writing for Lexical Resource Track How TOEFL Words Behave With Others Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze