As adverbs the difference between lankily and lankly
is that lankily is in a lanky manner; in the manner of a lanky person while lankly is in a lank way.
lankily
English
Adverb
(
en adverb)
In a lanky manner; in the manner of a lanky person.
* 1918 , , The False Faces , ch.23,
- He got lankily into motion and presently passed in through the windows.