What does "deciduousness" mean?

The state or condition of being deciduous; the quality of trees which lose their leaves in winter or the dry season.

What is a synonym for "deciduousness"?

Common synonyms include: deciduity.

Pronounced //dɪˈsɪdʒʊəsnəs//.

//dɪˈsɪdʒʊəsnəs// noun

noun ·Rare ·Advanced level

Noun

1
The state or condition of being deciduous; the quality of trees which lose their leaves in winter or the dry season. uncountable
"Worldwide, foliage deciduousness in angiosperms is believed to have arisen in tropical species as a response to periodic drought."

"Worldwide, foliage deciduousness in angiosperms is believed to have arisen in tropical species as a response to periodic drought."

From deciduous + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.