boisterous Antonyms

awful tired wistful whist unruffled unemployed tranquil tacit subdued stilly still staid stagnant spiritless soundless unoccupied unimpassioned as silent as the grave as quiet as the grave as quiet as a mouse awfully tired not busy unengaged slow-moving unbusy nonoperating unproductive all Sir Garnet imperturbable unhindered somber sluggish slack inoperative inactive impassive idle hushed flat echoless depressed dead composed collected cloistered calm lazy low silent serene sedate