marching up to cannon mouth (verb) run the gauntlet: go through an ordeal
Sinonime: concise, curtailed, ephemeral,
fast,
fleeting,
hasty, instantaneous,
little, meteoric, momentary, passing,
quick, short-lived, short-term,
swift, temporary,
transient, transitory
Antonime: enduring, lasting, lengthy, long, long-lived