In a strong manner, in any sense of the word strong.

adverb. In a strong manner; so as to be strong in action or in resistance; with strength; with great force; forcibly; powerfully; firmly; vehemently

adverb. in a strong or powerful manner

adverb. very much

adverb. with strength or in a strong manner

adverb. in a powerful manner

"The Eastern and Western Atlantic stocks of bluefin tuna have been so severely plundered that they were proposed for listing as an endangered species in 2009 - a designation strongly opposed by Japan, which consumes around 80 percent of the bluefin caught in the world."

wrongly  

firmly  forcibly  powerfully  vehemently