| gargantuan |
| ample(significant, substantial, large) |
| big(adjective, great, important, significant, substantial) |
| colossal(adjective, large) |
| commodious(significant, substantial, large) |
| consequential(big, important, significant, substantial, large) |
| considerable(significant, substantial, large, striking, stupendous) |
| distinguished(big, important, significant, substantial, large) |
| doozie(big, important, significant, substantial, large) |
| dynamite(big, important, significant, substantial, large) |
| essential(big, important, significant, substantial, large) |
| extensive(significant, substantial, large, vast, massive) |
| fab(big, important, significant, substantial, large) |
| fat(big, important, significant, substantial, large) |
| great(adjective, significant, substantial, large, fat) |
| heavy-duty(adjective, fat, highpowered, tremendous) |
| hefty(significant, substantial, large) |
| huge(adjective, great, significant, substantial, large) |
| influential(big, important, significant, substantial, large) |
| large(great, significant, substantial, fabulous, incredible) |