numerous

adjective

nu·​mer·​ous ˈnü-mə-rəs 

ˈnüm-rə-;

ˈnyü-mə-, 

ˈnyüm-rə-

: consisting of great numbers of units or individuals

born into a numerous family

also : many

received numerous complaints

The people I'd like to thank are too numerous to mention.

numerously adverb

numerousness noun

Synonyms of numerous

• many
• multiple
• several
• countless

Examples of numerous in a Sentence

She decided to leave for numerous reasons.

The birds are becoming more numerous in this area.

Recent Examples on the Web

Later, after numerous back-and-forth iterations, the AI might start to veer afield of the stipulation. —Lance Eliot, Forbes.com, 21 Jan. 2026

Williams completed three missions aboard the International Space Station and set numerous spaceflight records throughout her career. —CBS News, 21 Jan. 2026

Gap Factory Relaxed Top Coat My peacoat got me through numerous chilly walks to class, full days of sightseeing, and even nights out, keeping me warm without sacrificing Italian chic. —Julia Morlino, Travel + Leisure, 21 Jan. 2026

Some hold senior roles, including a chief technology architect at Nokia, a senior vice president at Mozilla and numerous chief executives of smaller companies. —Joseph Menn The Washington Post, Arkansas Online, 21 Jan. 2026

Word History

Etymology

Middle English, borrowed from Latin numerōsus, from numerus number entry 2 + -ōsus -ous

First Known Use

15th century, in the meaning defined above

Phrases Containing numerous

• too numerous to list
• too numerous to mention

Rhymes for numerous

• humerus
• humorous

Kids Definition

numerous

adjective

nu·​mer·​ous ˈn(y)üm-(ə-)rəs 

: consisting of great numbers

numerous friends

numerously adverb