similar meaning for very strong and sudden
Answers
"Powerful" and "unexpected".
Very strong is used to indicate strength and power.
Powerful is a synonym which has the same literal meaning as very strong as both denote great strength and power.
Other synonyms such as mighty ,strapping or tough also have the same meaning.
Sudden is used to indicate the happening of something which you did not expect to happen.
Unexpected accurately denotes the literal meaning as it also means the happening of something which wasn't expected.
Unforeseen is another synonym having the same literal meaning.
Impulse: a sudden strong feeling that we should do something
EXPLANATION:
Other meanings
Fit: A sudden strong emotion which we cannot control
Surge: A sudden strong increase in the strength of a feeling
Flush: A sudden strong feeling
Spasm: A sudden strong feeling, generally a spiteful one
Flash: A sudden strong instance of a specific emotion
Spurt: A sudden short period when you feel an emotion strongly
Rush: A sudden strong emotion
Outburst: A sudden verbal expression of a strong feeling, particularly anger