| afire(adjective, vigorous) |
| annoying(adjective, dull, boring, tired, tedious) |
| assertive(adjective, tough, smart, energetic, vigorous) |
| assertory(adjective, tough, smart, energetic, vigorous) |
| astir |
| backbreaker(tough, severe, painful, problematic, trying) |
| ball of fire(expression, adjective, idiom, strong, tough) |
| bellicose(energetic, antagonistic, aggressive, argumentative, contentious) |
| bit much(expression, dull, tedious, irritating, exhausting) |
| boresome(adjective, dull, boring, tired, tedious) |
| bouncing(adjective, strong, tough, intense, energetic) |
| brassy(adjective, tough, smart, energetic, vigorous) |
| breezy(adjective, strong, moving, lively, active) |
| brutal |
| changing(adjective, energetic, lively, active, vigorous) |
| charismatic(adjective, energetic, lively, active, vigorous) |
| cheeky(adjective, tough, smart, energetic, vigorous) |
| cliff-hanging |
| cliffhanging |
| climacteric |