gigantic

Từ điển Oxford Learners Wordfinder Dictionary

adjective

so exceedingly large or extensive as to suggest a giant or mammoth (Freq. 9)
- a gigantic redwood
- gigantic disappointment
- a mammoth ship
- a mammoth multinational corporation
• Syn:
mammoth
• Similar to:
large, big
• Derivationally related forms:
mammoth (for: mammoth), giant