deciduous

[dih-sij-oo-uhs] / dɪˈsɪdʒ u əs /

ADJECTIVE

short-lived

Synonyms

STRONGEST

brief ephemeral fleeting momentary short-term temporary transitory

WEAK

evanescent fly-by-night fugacious fugitive gone in a heartbeat impermanent of short duration over in a heartbeat passing quick short short-haul short-run transient

Antonyms

STRONGEST

enduring lasting lengthy long long-lived permanent perpetual

WEAK

ethereal

ADJECTIVE

transient

Synonyms

STRONGEST

ephemeral fleeting short-term transitory

STRONG

brief flash fly-by-night flying fugitive passing short temporal volatile

WEAK

changeable emigrating evanescent flitting fugacious going by impermanent insubstantial migrating momentary moving provisional short-lived transmigratory unstable vacating

Antonyms

STRONGEST

enduring lasting lengthy long long-lived permanent perpetual

ADJECTIVE

transient/transitory

Synonyms

WEAK

changeable emigrating ephemeral evanescent flash fleeting flitting fly-by-night flying fugacious fugitive going by impermanent insubstantial migrating momentary moving passing provisional short short-lived short-term temporal transmigratory unstable vacating volatile

Antonyms

WEAK

enduring incessant lasting long-lasting neverending permanent persistent undying

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In Gramsh, the municipality is exploring options to alternate pines with other trees, especially deciduous species.

From Barron's • Oct. 11, 2025

They planted a Blue Beech, a small deciduous tree native to eastern North America and known for its bright autumn leaves.

From BBC • May 26, 2025

In many areas, deciduous shrubs and trees, like willow and aspen, are moving in after a fire.

From Science Daily • Apr. 16, 2024

The naturalist named the tall deciduous tree after Beagle captain Robert Fitzroy.

From Salon • Mar. 15, 2024

The deciduous trees stood up in skeleton, like maps of the veins or of the nervous system.

From "The Once and Future King" by T. H. White