剛 [刚] gāng
adverb
: hard; firm; strong; rigid
: just; barely; exactly
Kun Reading
none applicable
強い | つよい tsuyoi
adjective
: strong; powerful; mighty; potent
: resistant; resilient; durable
強い | こわい kowai
adjective
: tough; stiff; hard
: inflexible; obstinate; stubborn
On Reading
剛 | ごう gou
noun
: strong; hard; manly