mammoth
mam|moth /m'æməθ/ (mammoths)
1 [ADJ] usu ADJ n
You can use mammoth to emphasize that a task or change is very large and needs a lot of effort to achieve.
...the mammoth task of relocating the library...
= massive
2 [N-COUNT]
A mammoth was an animal like an elephant, with very long tusks and long hair, that lived a long time ago but no longer exists.
1 [ADJ] usu ADJ n
You can use mammoth to emphasize that a task or change is very large and needs a lot of effort to achieve.
...the mammoth task of relocating the library...
= massive
2 [N-COUNT]
A mammoth was an animal like an elephant, with very long tusks and long hair, that lived a long time ago but no longer exists.