| BI | (informal) "graduation was a big day in his life" |
|---|---|
| BI | above average in size or number or quantity or magnitude or extent |
| BI | loud and firm |
| BI | (of animals) fully developed |
| BI | very intense |
| BI | feeling self-importance |
| BI | exhibiting self-importance |
| BI | of very great significance"deciding to drop the atom bomb was a very big decision" |
| BI | prodigious |
| BI | in a boastful manner |
| BI | in a major way |
| BI | on a grand scale |