tŕden -a, -o solid, firm; fast; steady; (neovrgljiv) hard and fast
tŕden, -a, -o kot skala steady as a rock
tŕdno telo fizika solid
tŕdno stanje solid state
v tŕdnem stanju solidified, in a solid state
v tŕdnem spanju a fast sleep
cene ostanejo tŕdne (stalne) prices remain firm
postati tŕden, -a, -o to consolidate
imeti tŕdna tla pod nogami to be on solid ground