Slump
Part of speech: noun
Definition: A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period.
Part of speech: verb
Definition: To collapse heavily or helplessly. To slouch or droop. To decline or fall off in activity or performance.
Example sentence: I had slumps that lasted into the winter.
Sink
Part of speech: verb
Definition: To descend into a liquid or other substance or material.To submerge (something) in a liquid or other substance or material.To cause (a ship, etc) to sink.To push (something) into something.Describing metaphorically the experience of apprehension, disappointment, or momentary depression as felt via an internal human organ.
Part of speech: noun
Definition: A basin used for holding water for washing.A sinkholeA depression in land where water collects, with no visible outlet.A heat sink.A place that absorbs resources or energy.The motion of a sinker pitch.An object or callback that captures events; event sink.
Example sentence: A house must be built on solid foundations if it is to last. The same principle applies to man, otherwise he too will sink back into the soft ground and becomes swallowed up by the world of illusion.