adv ·Rare ·Advanced level

Definitions

Adverb

1. 1
   In a manner that produces illegible results.

   "The doctor illegibly scrawled his signature: if it weren't on his letterhead, no-one would know who had written it."

Adverb

1. 1
   in an illegible manner wordnet

Synonyms

All synonyms

undecipherablyundecipherablyunreadablyvaguely

Antonyms

All antonyms

legibly

Example

More examples

"Your speech is utterly incomprehensible, and your letters are always written completely illegibly."

Etymology

From illegible + -ly.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.