1. An experienced person who has been through many battles; someone who has given long service
   - veteran, old-timer, oldtimer, warhorse, old stager, stager

Derived forms: old hands

Type of: expert

• immunoglobulin G
• immunoglobulin M
• immunohistochemistry
• immunologic
• immunologic response
• immunological
• immunological disorder
• immunologically
• immunologist
• immunology
• immunopathology
• immunosuppressant
• immunosuppressed
• immunosuppression
• immunosuppressive
• immunosuppressive drug
• immunosuppressor
• immunotherapeutic
• immunotherapy
• immure
• immurement
• immutability
• immutable
• immutableness
• immutably