infectious
1. [ adjective ] caused by infection or capable of causing infection; viruses and other infective agents"
Synonyms: infective
Examples:

"a carrier remains infective without himself showing signs of the disease"

Related terms: septic
2. [ adjective ] easily spread
Examples:

"fear is exceedlingly infectious children catch it from their elders"- Bertrand Russell

Related terms: noninfectious catching corrupting contagious
3. [ adjective ] of or relating to infection
Examples:

"infectious hospital" "infectious disease"

Related terms: infection
Similar spelling:   infectiously
  infection
  infective
  in_focus
  in_fact
  infestation
  ineffective
  investor
  infected
  invective
  ineffectively
  in_effect