zillion
6 synonyms for zillion, grouped by meaning and by how common each one is.
Noun — An extremely large, unspecified number.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use zillion
The word patterns that sound natural to a native speaker.
Informal and hyperbolic — never used in technical or formal contexts.
Etymology
An invented word from around 1916, modeled loosely on "million," "billion," and "trillion" but with no exact value.
Full origin of zillion →