adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
totteringly; unsteadily; staggeringly
Describes an unsteady, wobbling movement, often of someone weak, drunk, or on an unstable surface. Commonly used with 歩く or 立つ.
酔っ払いがひょろひょろと歩いている。
The drunk is walking unsteadily.
赤ちゃんがひょろひょろ立ち上がろうとした。
The baby tried to stand up totteringly.
na-adjective, adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
lanky; spindly; slender; frail
Describes a person, plant, or object that is thin, weak-looking, and often tall. Can be used as a な-adjective (ひょろひょろな).
ひょろひょろな木が風で倒れた。
The spindly tree fell over in the wind.
彼はひょろひょろしていて、力がなさそうだ。
He is lanky and looks weak.