1. unwilling or reluctant to draw attention to oneself

2. restrained and formal in manner

3. not inclined to talk or provide information: reserved

 growth to a worldwide scale

A hallmark is a distinguishing characteristic, trait, or feature. Hallmark also refers to a mark or design placed or stamped on something to indicate its origin, purity, or genuineness, as in "sterling silver hallmarks."

// The entertainer's new book features the same kind of wry humor that is the hallmark of his radio show.

1. darkening or obscuring the sight of something

2. the activity of obscuring people’s understanding, leaving them baffled or bewildered

3. confusion resulting from failure to understand

Woebegone describes someone or something that feels or shows great woe, sorrow, or misery.

// The team never looked more woebegone than it did heading back to the locker room after losing the championship to their rivals by a single run.

// Despite its woebegone appearance, the old mill town has a strong community and a vibrant arts scene.

1. generosity in bestowing gifts; a willingness to give liberally

2. a gift or money given as for service or out of benevolence; usually given in a showy way