American Heritage Dictionary
Century Dictionary
(3)
GNU Webster's 1913
(1)
WordNet
Elsewhere on the web
He's sackless in Williams 'absence following a three-game, six-sack streak earlier in the month.— SI.com
Our View: Porter had 17.5 sacks this season, but went sackless in his final three games as offensive lines found multiple ways to neutralize him.— Fanball Fantasy Football News - Newsbreakers
Indeed, this goes back to last week's discussion on sackless GOP types submitting on every issue.— Ace of Spades HQ
Whitworth moved to tackle to cool off Allen in Kansas City and hold him sackless after Allen got 2.5 in the first 17 snaps in 2007.
Similarly valid explanations were offered after Griese's sackless day.— chicagotribune.com - Sports

Century Dictionary (1)
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