tremendous

UK: /trəˈmɛndəs/ US: /trɪˈmɛndəs/ ,(tri men′dəs)

WordReference Random House Learner's Dictionary of American English © 2025

tre•men•dous /trɪˈmɛndəs/   adj. 

1. very great in size, amount, or intensity:
   a tremendous ocean liner.
2. extraordinary;
   excellent;
   very good:
   a tremendous movie.

tre•men•dous•ly, adv. 

: tremendously excited.

WordReference Random House Unabridged Dictionary of American English © 2025

tre•men•dous  (tri men′dəs), adj. 

1. extraordinarily great in size, amount, or intensity:
   a tremendous ocean liner; tremendous talent.
2. extraordinary in excellence:
   a tremendous movie.
3. dreadful or awful, as in character or effect;
   exciting fear;
   frightening;
   terrifying.

• Latin tremendus dreadful, to be shaken by, equivalent. to trem(ere) to shake, quake + -endus gerund, gerundive suffix
• 1625–35

tre•men ′dous•ly, adv. 
tre•men ′dous•ness, n. 
Synonyms

• 1. See huge.

Collins Concise English Dictionary © HarperCollins Publishers::

tremendous / trɪˈmɛndəs/ adjective

1. vast; huge
2. very exciting or unusual
3. (intensifier): a tremendous help
4. terrible or dreadful

Etymology: 17th Century: from Latin tremendus terrible, literally: that is to be trembled at, from tremere to quake

treˈmendously adverb

treˈmendousness noun