s, -struh
s]
| 1. | rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter. |
| 2. | (of waves, weather, wind, etc.) rough and stormy. |
| 3. | Obsolete. rough and massive. |

bois·ter·ous (boi'stər-əs, -strəs) adj.
[Middle English boistres, variant of boistous, rude, rough, perhaps from Old French boisteus, lame, limping, from boiste, knee joint.] bois'ter·ous·ly adv., bois'ter·ous·ness n. |