Synonyms of on-the-spot

1 Syllable
prompt, crying, quick, fast, dire
2 Syllables
extant, pressing, clamant, burning, direct, instant, present, current, there
3 Syllables
insistent, split-second, off-the-cuff, existent, present-day, exigent, hereabouts
4 Syllables
instantaneous
5 Syllables
spur-of-the-moment, importunate, extemporaneous, imperative, contemporary
6 Syllables
improvisatory