noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The process of flowing out. countable, uncountable

   "We all age through the efflux of time."

2. 2
   the process of flowing out wordnet
3. 3
   Something which has flowed out. countable, uncountable

   "the efflux of a boil"

Verb

1. 1
   To run out; to flow forth. intransitive
2. 2
   To pass away. intransitive, obsolete

Synonyms

All synonyms

outfloweffluenceoutflowdefluxiondischargedrain

Antonyms

All antonyms

influx

Example

More examples

"How the jet efflux is handled should be taken into consideration when designing the aircraft."

Etymology

From Latin effluxus, from effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”). See also effluxion.

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