say it: FLEE-ting
fleeting is an adjective meaning "lasting for a markedly brief time". It carries one recorded sense.
lasting for a markedly brief time
“a fleeting glance”
“fugitive hours”
“rapid momentaneous association of things that meet and pass”
“a momentary glimpse”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for fleeting come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.