Meanings
verbseajack (third-person singular simple present seajacks, present participle seajacking, simple past and past participle seajacked)
present singular third person seajacks · participle present seajacking · participle past seajacked · past seajacked
- To illegally take control of a vessel.
Origin
Blend of sea + hijack; compare carjack.
Full word history & related roots →Cite this entry
APA
seajack. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/seajack
MLA
“seajack.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/seajack. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “seajack,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/seajack.
Source: seajack on Wiktionary, CC BY-SA 4.0.