Synonyms for Semiautomatic (same or very similar meaning)
WordNet sense 1 (a pistol that is a semiautomatic firearm capable of loading and firing continuously):
semiautomatic pistol
WordNet sense 2 ((of firearms) capable of automatic loading and firing continuously):
autoloading, self-loading
WordNet sense 3 (operating with minimal human intervention; independent of external control):
automatic
From the ODE community, based on WordNet
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