Thin

aguado

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

claro

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

delgado

(having little body fat or flesh; slim; slender; lean; gaunt)

enjuto

(having little body fat or flesh; slim; slender; lean; gaunt)

enrarecido

(scarce)

fifiriche

(having little body fat or flesh; slim; slender; lean; gaunt)

fino

(having little thickness or extent from one surface to its opposite)

flaco

(having little body fat or flesh; slim; slender; lean; gaunt)

güin

(having little body fat or flesh; slim; slender; lean; gaunt)

líquido

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

nada viscoso

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

poco espeso

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

ralo

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

ralo

(scarce)

raquítico

(having little body fat or flesh; slim; slender; lean; gaunt)

rarificado

(scarce)

adelgazar

(to make thinner)

adelgazar

(to become thinner)

ardalear

(to become thinner)

arralar

(to become thinner)

diluir

(to dilute)

entresacar

(to remove plants)

ralear

(to become thinner)