strength ②armor

nucleus ②medium-level ③main body (of troops) ④center field

steady

confirmation (rite)

holding on to

solid

solid

strong defense

strong fortress

nut

indomitable perseverance

(a fortress being) impregnable

firm (market) ②strong (sales, economy, etc.)

stronghold

perseverance

stronghold

center fielder

(the Christian sacrament of) confirmation

hard wood

iron purpose

formal

sound ②steady

straight-laced person

possessed of a strong sense of duty

honest ②respectable occupation (i.e. not yakuza, prostitute, etc.) ③person in a respectable occupation

discreet

underworld

square

stable (market) after having bottomed out

honest

solidly built person

hardwood

hard charcoal

chaste woman

sound business

hard biscuits

tight-lipped

tight-lipped

snow with a frozen crust on top

hard