| persistent(adjective, continue, demanding, insistent, unrelenting) |
| insistent(adjective, hard, tough, continue, firm) |
| urgent(adjective, hard, tough, continue, firm) |
| clamorous(adjective, hard, tough, firm, difficult) |
| instant(adjective, prompt, important, extreme, serious) |
| obtrusive(adjective, prominent, obvious, conspicuous, unmistakable) |
| pressing(adjective, hard, tough, firm, difficult) |
| tenacious(adjective, unrelenting) |
| exigent(adjective, hard, tough, firm, difficult) |
| intrusive(adjective, prominent, conspicuous, unmistakable) |
| obstinate(adjective, unrelenting) |
| troublesome(adjective, demanding, insistent, bothersome, worrisome) |
| burning(adjective, firm, prompt, important, fast) |
| crying(adjective, firm, prompt, important, fast) |
| earnest(adjective, big, significant, substantial, valuable) |
| imperative(adjective, firm, prompt, big, important) |
| imploring |
| appealing |
| bothersome |
| determined(adjective, unrelenting) |