English Reference
adjective

numerous

adj.
US /ˈnumɝəs/ UK /njˈuːməɹəs/ nu·mer·ous

  1. 01 B2 Upper Intermediate Formal

    existing in large numbers.

    consisting of or existing in a great number; used as a formal synonym for 'many'.

    Simple

    The author has won numerous awards for her latest novel.

    In context

    Despite numerous attempts to resolve the technical glitch, the engineering team was forced to postpone the satellite launch until the following spring.

    Usage

    Typically used as an attributive adjective before a plural noun.

    Teacher's tip

    While 'many' is suitable for all contexts, 'numerous' is preferred in academic writing and formal reports to provide variety and precision.

    Pitfall
    There were numerous of people at the event. There were numerous people at the event.

    Unlike 'hundreds' or 'thousands', 'numerous' is an adjective that describes the noun directly. Do not use 'of' after it.

Usage numerous instances

Wells-Wonsley also described the numerous professional and personal attacks she has received since her son’s death.

The Guardian· 14 Aug 2026

Southampton hosts one of the numerous government-backed trials around England.

BBC News· 22 Jul 2026

From Middle English numerous from Latin numerōsus (“numerous, abundant; harmonious”), from numerus (“number”). Doublet of numerose. Analyzeable as numero- + -ous.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin numerōsus
Level B2 · Upper Intermediate
Frequency Common
Updated