write something down as—classify or regard smth. as:
- The corporation had made a number of tests with it … and they had written it down as a failure.
write something off as—
1. = write something down as:
- The way I justify this silly exercise in hard labor is that I can write it off as a learning experience.
2. regard smth. as unsuitable or having no value:
- Paint-coating should not be written off as a possible future solution as the durability of coating materials is constantly being improved.