Forthwith

Adverb
That all who flirted, leered or winked (Unless connubially linked), Should forthwith be beheaded.
 * 1) immediately; without delay
 * 2) * 1885 — Gilbert & Sullivan, The Mikado
 * So he decreed, in words succinct,

Synonyms for Forthwith
immediately, straightaway, at once, right away, directly, instantly.

Antonyms for Forthwith
never, shortly, eventually, later.

Thesaurus
PDQ, abruptly, all at once, all together, apace, at a blow, at a stroke, at once, at one blow, at one jump, at one stroke, at one swoop, at one time, away, decisively, directly, expeditiously, immediately, in a hurry, in no time, instanter, instantly, now, on the instant, on the spot, per saltum, pretty damned quick, promptly, pronto, quickly, right away, right now, right off, simultaneously, smartly, speedily, straightaway, straightway, subito, sudden, suddenly, summarily, swiftly, then and there, this minute, this very minute, uno saltu, with all speed, without delay, without further delay

Translations

 * French:


 * German: