IPA: /ˈlæŋkɪli/
KK: /ˈlæŋkɪli/
In a way that is tall and thin, often with long limbs.
He walked lankily across the room, his long legs making him look awkward.
Lankily → It is formed from "lank" (from Old English "lanca", meaning thin or slender) and "-ily" (a suffix forming adverbs, meaning in a manner of). The word "lankily" means in a thin or slender manner.
Think of someone being 'thin' ('lank') and doing something 'in a manner' ('-ily') that reflects that thinness.