English

Verb

jettest

1. (archaic) second-person singular simple present form of jet
   • 1851, Herman Melville, Moby-Dick

     Oh, high aspiring, rainbowed jet!—that one strivest, this one jettest all in vain! In vain, oh whale, dost thou seek intercedings with yon all-quickening sun […]

Adjective

jettest

1. superlative form of jet: most jet Most jet-black in colour.

German

Verb

jettest

1. Second-person singular present of jetten.
2. Second-person singular subjunctive I of jetten.