We found 29 dictionaries that define the word gigantic:

General (25 matching dictionaries)

1. gigantic: Merriam-Webster
2. gigantic: Oxford Learner's Dictionaries
3. gigantic: American Heritage Dictionary of the English Language
4. gigantic: Collins English Dictionary
5. gigantic: Vocabulary.com
6. Gigantic, gigantic: Wordnik
7. gigantic: Cambridge Advanced Learner's Dictionary
8. gigantic: Wiktionary
9. gigantic: Webster's New World College Dictionary, 4th Ed.
10. gigantic: The Wordsmyth English Dictionary-Thesaurus
11. gigantic: Infoplease Dictionary
12. Gigantic, gigantic: Dictionary.com
13. gigantic: Cambridge Essential American English Dictionary
14. Gigantic (A Tale of Two Johns), Gigantic (TV series), Gigantic (film), Gigantic (musical), Gigantic (song), Gigantic (video game), Gigantic: Wikipedia, the Free Encyclopedia
15. Gigantic: Online Plain Text English Dictionary
16. gigantic: Webster's Revised Unabridged, 1913 Edition
17. gigantic: Rhymezone
18. gigantic: AllWords.com Multi-Lingual Dictionary
19. gigantic: Webster's 1828 Dictionary
20. gigantic: FreeDictionary.org
21. gigantic: Mnemonic Dictionary
22. gigantic: TheFreeDictionary.com
23. gigantic: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

24. gigantic: Legal dictionary

Computing (1 matching dictionary)

25. gigantic: Encyclopedia

Science (1 matching dictionary)

26. gigantic: Prime

Slang (1 matching dictionary)

27. Gigantic: Urban Dictionary

(Note: See gigantically as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Very large. ▸ adjective:  (slang) Excellent; very good or exciting. ▸ adjective:  In the manner of a giant. Similar: big, large, mammoth, giant, gigantesque, supergigantic, superlarge, gigantiform, great big, prodigious, more... Opposite: minuscule, microscopic, tiny, diminutive, petite, miniature, small, little, teeny Types: enormous, gargantuan, colossal, jumbo, giant, humongous, more... Phrases: gigantic crane, gigantic jet, The Gigantic Turnip, Big Gigantic, gigantic creature, more... Adjectives: more, dark, grim, fourth, wondrous, less, broad, erect, large, front, immeasurable Colors:     midnight blue,     deep purple,     forest green,     royal blue,     burgundy, more... ▸ Words similar to gigantic ▸ Usage examples for gigantic ▸ Idioms related to gigantic ▸ Wikipedia articles (New!) ▸ Popular nouns described by gigantic ▸ Words that often appear near gigantic ▸ Rhymes of gigantic ▸ Invented words related to gigantic