| urgent(adjective, hard, direct, tough, severe) |
| critical(adjective, hard, direct, tough, difficult) |
| important(adjective, tough, severe, heavy, significant) |
| imperative(adjective, firm, prompt, big, important) |
| instant(adjective, direct, prompt, importance, big) |
| serious(adjective, hard, tough, difficult, big) |
| crucial(adjective, tough, severe, big, heavy) |
| exigent(adjective, hard, tough, firm, difficult) |
| vital(adjective, big, heavy, important, significant) |
| compelling(verb, adjective, important, significant, serious) |
| grave(adjective, severe, significant, substantial, serious) |
| pressure |
| immediate(adjective, delay) |
| necessary(adjective, important, substantial, serious, essential) |
| press(noun, verb) |
| weighty(adjective, hard, tough, severe, difficult) |
| burning(adjective, firm, prompt, energetic, big) |
| crying(adjective, firm, prompt, big, important) |
| dire(adjective, firm, prompt, big, important) |
| significant(adjective, tough, severe, big, heavy) |