Laxi Dictionary

American Dictionary

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Definition portentous in American English

portentous adjective

adjective
/pɔrˈtentəs/
1

giving a warning about the future

Example

a portentous comment

Synonyms and related words
advisory cautionary consultative
2

trying to seem very serious and important, in order to impress people

Example

a portentous tone of voice

Synonyms and related words
articulate be couched in something chatty
Definition portentous in American English