Hard

ankara

(demanding a lot of effort to endure)

ankara

(severe)

hankala

(requiring a lot of effort to do or understand)

kiinteä

(resistant to pressure)

kova

(resistant to pressure)

kova

(requiring a lot of effort to do or understand)

kova

(demanding a lot of effort to endure)

kova

(of water, high in dissolved calcium compounds)

luja

(resistant to pressure)

rankka

(demanding a lot of effort to endure)

tiukka

(of drink: strong)

tuju

(of drink: strong)

vahva

(unquestionable)

vahva

(of drink: strong)

vaikea

(requiring a lot of effort to do or understand)

väkevä

(of drink: strong)

ankarasti

(with much force or effort (related to act of think))

kovaa

(with much force or effort (related to act of think))

kovasti

(with much force or effort (related to act of think))

lujaa

(with much force or effort (related to act of think))

lujasti

(with much force or effort (related to act of think))

rajusti

(with much force or effort (related to act of think))

tiukasti

(with much force or effort (related to act of think))