retiring

adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about retiring at Wordnik → Where our words come from →

1. Not arrogant or presuming.

   unassuming to a fault, skeptical about the value of his work

2. Of a person who has held and relinquished a position or office.

   a retiring member of the board

3. Reluctant to draw attention to yourself.