1. In an illegible manner
   "this student writes illegibly"
   - undecipherably, unreadably

See also: illegible

Antonym: legibly

• instruction book
• instruction execution
• instruction manual
• instructional
• instructions
• instructive
• instructively
• instructor
• instructorship
• instructress
• instrument
• instrument flying
• instrument landing
• instrument of execution
• instrument of punishment
• instrument of torture
• instrument panel
• instrumental
• instrumental conditioning
• instrumental music
• instrumental role
• instrumentalism
• instrumentalist
• instrumentality
• instrumentally