undecipherable
3 synonyms and 2 antonyms for undecipherable, grouped by meaning and by how common each one is.
Adj — So unclear or messy that it is hard to make out or read.
Synonyms
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.
indecipherable
unreadable
