Dyspnea means difficulty breathing, which causes an out of breath feeling. It is a symptom caused by innumerable health conditions. Being short of breath during or after exercise or physical exertion is expect. But being breathless without a cause can immediately trigger panic, fear and anxiety. Dyspnea is an indication that your body is hungry for oxygen.
Definition of plenty. 1  1a : a full or more than adequate amount or supply had plenty of time to finish the jobb : a large number or amount in plenty of trouble. 2  2 : the quality or state of being copious : plentifulness.
a full supply or amount; a supply or amount that is more than enough: [~ + of + uncountable noun; used with a singular verb]There is plenty of time.[~ + of + plural noun; used with a plural verb]There are plenty of chairs. the state or quality of being plentiful; abundance:[uncountable]the land's plenty.