errant
1. [ adjective ] straying from the right course or from accepted standards
Examples:

"errant youngsters"

Related terms: fallible
2. [ adjective ] uncontrolled motion that is irregular or unpredictable
Examples:

"an errant breeze"

Related terms: uncontrolled
3. [ adjective ] capable of making an error
Synonyms: error-prone erring
Examples:

"all men are error-prone"

Related terms: fallible
Similar spelling:   Eranthis
  errand
  Erianthus