multitudinous

UK: /ˌmʌltɪˈtjuːdɪnəs/

US: /ˌmʌltɪˈtudənəs, -ˈtju-/

US: (mul′ti to̅o̅d′n əs, -tyo̅o̅d′-)

WordReference Random House Learner's Dictionary of American English © 2026

mul•ti•tu•di•nous /ˌmʌltɪˈtudənəs, -ˈtyu-/   adj. 

1. existing in great numbers;
   very numerous.
2. containing or extending over many parts or elements.

WordReference Random House Unabridged Dictionary of American English © 2026

mul•ti•tu•di•nous  (mul′ti to̅o̅d′n əs, -tyo̅o̅d′-), adj. 

1. forming a multitude or great number;
   existing, occurring, or present in great numbers;
   very numerous.
2. comprising many items, parts, or elements.
3. [Archaic.] crowded or thronged.

• Latin multitūdin- (stem of multitūdō) multitude + -ous
• 1595–1605

mul′ti•tu′di•nous•ly, adv. 
mul′ti•tu′di•nous•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

multitudinous / ˌmʌltɪˈtjuːdɪnəs/, multitudinary / ˌmʌltɪˈtjuːdɪnərɪ/ adjective

1. very numerous
2. great in extent, variety, etc
3. crowded

ˌmultiˈtudinously adverb

ˌmultiˈtudinousness noun