Yearningly
/ˈjɜːrnɪŋli/
Definition 1 of 1
Pro Tip 1/3Emotional Weight
Shows deep emotions, not just casual wanting. It has a strong, heartfelt element. 
He gazed yearningly at the photo of his family.
Pro Tip 2/3Often Poetic
Used in literary or poetic contexts to express deep feelings; not common in daily speech. 
She whispered yearningly for a world of peace.
Pro Tip 3/3Visual Expressions
Typically paired with actions related to looking or glancing to express desire through eyes. 
He watched the dancers yearningly, wishing to join.