Antonyms of adj hapless

1 sense of hapless

Sense 1
hapless, miserable, misfortunate, pathetic, piteous, pitiable, pitiful, poor, wretched -- (deserving or inciting pity; "a hapless victim"; "miserable victims of war"; "the shabby room struck her as extraordinarily pathetic"- Galsworthy; "piteous appeals for help"; "pitiable homeless children"; "a pitiful fate"; "Oh, you poor thing"; "his poor distorted limbs"; "a wretched life")

INDIRECT (VIA unfortunate) -> fortunate -- (having unexpected good fortune; "other, less fortunate, children died"; "a fortunate choice")

Similarity of adj hapless

1 sense of hapless

Sense 1
hapless, miserable, misfortunate, pathetic, piteous, pitiable, pitiful, poor, wretched -- (deserving or inciting pity; "a hapless victim"; "miserable victims of war"; "the shabby room struck her as extraordinarily pathetic"- Galsworthy; "piteous appeals for help"; "pitiable homeless children"; "a pitiful fate"; "Oh, you poor thing"; "his poor distorted limbs"; "a wretched life")
       => unfortunate (vs. fortunate) -- (not favored by fortune; marked or accompanied by or resulting in ill fortune; "an unfortunate turn of events"; "an unfortunate decision"; "unfortunate investments"; "an unfortunate night for all concerned")