say it: SING-king
sinking is a noun meaning "a descent as through liquid (especially through water)". It carries 3 recorded senses.
a descent as through liquid (especially through water)
“they still talk about the sinking of the Titanic”
a slow fall or decline (as for lack of strength)
“after several hours of sinking an unexpected rally rescued the market”
“he could not control the sinking of his legs”
a feeling caused by uneasiness or apprehension
“with a sinking heart”
“a sinking feeling in the pit of my stomach”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sinking come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.