Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun argonaut

3 senses of argonaut

Sense 1
argonaut -- (someone engaged in a dangerous but potentially rewarding adventure)
       => adventurer, venturer -- (a person who enjoys taking risks)

Sense 2
Argonaut -- ((Greek mythology) one of the heroes who sailed with Jason in search of the Golden Fleece)
       INSTANCE OF=> fictional character, fictitious character, character -- (an imaginary person represented in a work of fiction (play or film or story); "she is the main character in the novel")

Sense 3
paper nautilus, nautilus, Argonaut, Argonauta argo -- (cephalopod mollusk of warm seas whose females have delicate papery spiral shells)
       => octopod -- (a cephalopod with eight arms but lacking an internal shell)