(astronomy) the angular distance of a celestial body north or south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
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 descent as through liquid (especially through water); "they still talk about the sinking of the Titanic"
a feeling caused by uneasiness or apprehension; "with a sinking heart"; "a sinking feeling in the pit of my stomach"
move downward and lower, but not necessarily all the way; "The temperature is going down"; "The barometer is falling"; "The curtain fell on the diva"; "Her hand went up and then fell again"
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
fall heavily or suddenly; decline markedly; "The real estate market fell off"
fall or sink heavily; "He slumped onto the couch"; "My spirits sank"
a mishap caused by something suddenly falling down or caving in
an abrupt failure of function or health
lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"
break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
cause to burst; "The ice broke the pipe"
fold or close up; "fold up your umbrella"; "collapse the music stand"
lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking; "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"