Collocations for lost - adj.

be
get
We got lost in the woods.

completely, hopelessly
By this time we were completely lost.

be, feel, look, seem
I felt lost without my watch.

completely, totally
Alina was looking totally lost.

very
a bit, a little, rather
She looked rather lost and lonely, standing in a corner by herself.

Lost is used with these nouns:
art, cause, city, civilization, earnings, generation, income, innocence, love, lover, luggage, masterpiece, memory, opportunity, paradise, pet, productivity, profit, property, revenue, sheep, soul, territory, treasure, wage, youth