| intense(adjective, strong, severe, passionate, heavy) |
| concentrated(adjective, part, strong, intense, heavy) |
| thorough(adjective, complete, big, careful, exhaustive) |
| all-out(adjective, complete, tough, big, full) |
| hard(adjective, strong, intense, heavy, powerful) |
| powerful(adjective, strong, penetrating) |
| profound(adjective, strong, complete, heavy, powerful) |
| time-consuming |
| keen(strong, powerful, penetrating) |
| strong(adjective, powerful, penetrating) |
| exhaustive(adjective, complete, big, careful) |
| comprehensive(adjective, exhaustive) |
| deep(adjective, strong, intense, powerful, penetrating) |
| radical(adjective, complete, exhaustive) |
| severe(adjective, strong, powerful, penetrating, exhaustive) |
| thoroughgoing(adjective, big, careful, exhaustive) |
| fierce(adjective, strong, intense, heavy, powerful) |
| stressful(state, feeling, stress) |
| violent(adjective, strong, powerful, penetrating) |
| intensifier |