adverb taking the 'to' particle, adverb, noun or participle which takes 'suru'
weakly; delicately; supplely
Describes something or someone lacking firmness, appearing frail, slender, or bending easily. Often used for people, limbs, or objects that seem unsteady or lacking strength. Can carry a slightly negative nuance of being unreliable or too soft.
彼はなよなよした態度で、あまり頼りにならない。
He has a weak, unassertive manner and isn't very reliable.
その植物の茎はなよなよとしていて、すぐ折れそうだ。
The stem of that plant is so delicate it looks like it might snap at any moment.