Home

Designed for school students & undergraduate entrance aspirants preparing for board exams, NEET, JEE and more.

JEE (Mains & Adv)NEET (UG)CBSE BoardISC BoardUP BoardCUET

Built for graduates & professionals targeting competitive exams — UPSC, CAT, GMAT, GRE, IELTS, banking & more.

GREGMATCATUPSCIBPSIELTSTOEFLSATACT

Core school & undergraduate subjects aligned with CBSE, ISC, UP Board, NEET and JEE syllabi.

PracticeMock TestsResources

Portentous

adjective | /portentous/

Advanced WordsHARD

Giving a sign or warning of something momentous, especially something bad; also, excessively solemn or self-important.

Learning Progress

Synonyms

ominousforebodingaugural

Antonyms

reassuringauspicious

Examples

"Dark clouds gathered in a portentous sky before the storm. Means: The sky seemed to warn that something serious was about to happen."

"His portentous speech made an ordinary announcement sound momentous. Means: His overly solemn speech made a routine announcement seem very important."

Mnemonic Trick

A portentous sign is a portent—a warning or indication of what may come.

Source: Advanced WordsAdded: 9/29/2026

Community Stats

Active Learners62
Words Being Learned107
Words Mastered246

Track Your Progress

Sign up to save your favorite words and track your learning progress across all vocabulary types.

Take your English vocabulary to the next level

Vocabulary Builder is a smart and comprehensive English vocabulary app designed to help you learn, remember, and master words effectively. Whether you are preparing for competitive exams or improving everyday English, the app goes beyond simple definitions to ensure deep understanding and long-term retention.

Get it on Google Play

We Value Your Privacy

Edvaya uses cookies to enhance your learning experience, analyze platform usage, and provide personalized content. You can customize your preferences or accept all cookies to continue.

By continuing, you agree to our Cookie Policy and Privacy Policy