Synonyms of instanter

Adjective

1. instantaneous, instant(prenominal), fast (vs. slow)

usage: occurring with no delay; "relief was instantaneous"; "instant gratification"

2. instant, inst, present(prenominal) (vs. future) (vs. past)

usage: in or of the present month; "your letter of the 10th inst"

3. clamant, crying, exigent, insistent, instant, imperative (vs. beseeching)

usage: demanding attention; "clamant needs"; "a crying need"; "regarded literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an instant need"

Definition and meaning of instanter (Dictionary)