A sudden outburst is an expression of emotion that is often unexpected and intense. The term can be broken down into six different crossword solutions: SPASM (5 letters), PAROXYSM (8 letters), SPATE (5 letters), SALVO (5 letters), PIQUE (5 letters), and GUST (4 letters). SPASM is a sudden, involuntary contraction of a muscle or group of muscles. PAROXYSM is a sudden attack or violent expression of a particular emotion or activity. SPATE is a sudden, large amount of something. SALVO is a simultaneous discharge of artillery or firearms. PIQUE is a feeling of irritation or resentment resulting from a slight, especially to one's pride. GUST is a sudden, brief rush of wind.