堅 - strict, hard, solid

steady; sound; stable; safe (e.g. business); reliable; trustworthy; solid

sound; sure; safe; secure; trustworthy; reliable; solid

firm (market); bullish

adhering to (a view, policy, etc.); sticking to; holding fast to; steadfastly maintaining

solid; strong; firm

nucleus; backbone; mainstay; key figure

firm and solid; sturdy and indestructible; unshakable; adamantine

impregnable fortress; heavily guarded fort

square; trustworthy person

sound business

being faithful to one's principles; being of firm purpose and deep commitment; constancy; true blue

(the Christian sacrament of) confirmation