1. making a series of short, sharp, chirping sounds
Usage: present participle of 'chipper'

1. cheerful and lively in manner or mood
Usage: informal

Examples

• The birds were chippering in the trees at dawn.
• She had a chippering attitude despite the rainy weather.
• The squirrels were chippering back and forth across the fence.
• He greeted everyone with a chippering smile and energetic voice.
• The sparrows kept chippering throughout the morning.
• Despite her illness, she remained chippering and optimistic.