Synonyms of pressing

1 Syllable
crying, dire
2 Syllables
clamant, urgent, burning, parlous, direst, quenchless, claiming, heat-on, serious, instant, forcing, vital, direr, crucial
3 Syllables
on-the-spot, important, urgencies, demanding, insistent, split-second, jeopardous, critical, distressing, requiring, hurry-up, life-and-death, backbreaker, constraining, urgency, dangerous, onerous, sobering, acute, compelling, clamorous, exigent, called-for, bottom-line, obliging, exacting
4 Syllables
insatiable, insatiate, dangersome, high-priority, perseverant, insistency, immediate, unquenchable, unamusing, bottomline, overtaxing, top-priority, necessary
5 Syllables
importunate, imperative, unsatisfiable
6 Syllables
importunateness