Urgent
Acute
Synonyms Acute, pressing, desperate, crucial, serious, crying, compelling, extreme, great, terrible, grave, dire, critical, sore, intense, burning, drastic, life-and-death, very great, and parlous.
Emergency
Synonyms Emergency, top-priority, vital, hurried, hasty, quick, swift, high-priority, important, crucial, rushed, fast, rapid, and hurry-up.
Insistent
Synonyms Insistent, determined, tenacious, dogged, unrelenting, demanding, entreating, begging, repeated, continuous, exigent, persistent, resolute, obstinate, pressing, importunate, earnest, pleading, clamorous, unremitting, and incessant.
Example Sentences
"She received an urgent phone call.
" "The doctor had an urgent message.
" "He felt an urgent need to respond.
" "This situation requires urgent attention now.