A group blind date, at which there are roughly the same number of men and women who are seeking a chance to find a friend of the opposite sex.

ball (sphere) / (basebal) ball (pitch that falls outside the strike zone)

bowl

Short for ボール紙 (bōru-gami): non-corrugated cardboard, pasteboard / Short for 段ボール (danbōru): corrugated cardboard

ball (formal dance event)

no (that is untrue) / no (I do not accept or allow that)

a no, a denial / a lack of something (often found in compounds)

without

(baseball, softball) Synonym of 四球 (shikyū, “walk”)

ball person