2 ms·Obviously, the opposite of hapless is hapful.by dfranke 18y agoObviously, the opposite of hapless is hapful.Hexstream 18y agoI sometimes get annoyed at English's lack of symmetry. The opposite of... is not... worthless worthful senseless senseful wasteful wasteless handful handless moreover lessover (moreunder?)KayEss 18y agoflammable/inflammable?dfranke 18y ago'wasteless' seems cromulent to me.vlad 18y agoOr, hapmore.