lazy, languid
嬾 centers on a lack of energy or motivation: being lazy, sluggish, or languid. It describes a state of unwillingness to exert effort.
嬾 combines 女 (woman) with 賴, which likely contributes the sound and may carry a sense of relying on others, suggesting a disposition toward laziness. The exact historical development is uncertain.
A woman 女 leaning heavily on 賴 (rely) is too lazy to stand on her own, perfectly capturing the idea of languid laziness.
For ラン, imagine a lazy person who would rather run (ラン) away than do any work: run -> ラン, and the woman in the kanji is too languid to even run.