| festal |
| festive(adjective, bright, energetic, active, merry) |
| fretful(adjective, mean, tough, keen, difficult) |
| frozen(adjective, cool, severe, keen, sharp) |
| full of life(expression, adjective, idiom, bright, energetic) |
| gallant |
| gay(adjective, pleasant, bright, happy, energetic) |
| gelid(adjective, cool, severe, keen, sharp) |
| grumpy(adjective, mean, attitude, short, sensitive) |
| headlong(adjective, keen, prompt, energetic, violent) |
| hearty(adjective, strong, tough, pleasant, bright) |
| hipster(feature, state, style) |
| ill-humoured |
| immediate(adjective, prompt, fast, irritable, quick) |
| impetuous(adjective, keen, rough, energetic, violent) |
| instant(adjective, fast, irritable, summary, rapid) |
| jazzy(adjective, sharp, smart, new, hot) |
| jocund(adjective, pleasant, bright, happy, energetic) |
| jolly(adjective, pleasant, bright, happy, energetic) |
| light-footed(adjective, fast) |