punishment [a]
- streng
alcoholic beverages [a]
- stark
- kräftig
body [a]
- steif
material [a]
- steif
medicine [a]
- stark
behavior [a]
- steif
- stur

punishment [a]
- sévère
- rigoureux
- dur
- draconien
- carabiné [informal]
alcoholic beverages [a]
- fort
- bien tassé [informal]
body [a]
- courbatu [formal]
- courbaturé
- ankylosé
material [a]
- raide
medicine [a]
- fort
behavior [a]
- froid
- distant
- guindé

punishment [a]
- severo
- duro
alcoholic beverages [a]
- forte
body [a]
- indolenzito
- legato
material [a]
- rigido
medicine [a]
- forte
behavior [a]
- sostenuto
- freddo
- formale

punishment [a]
- severo
alcoholic beverages [a]
- fuerte
- cargado
body [a]
- rígido
material [a]
- rígido
medicine [a]
- fuerte
- potente
behavior [a]
- ceremonioso
- protocolario

punishment [a]
- streng
alcoholic beverages [a]
- sterk
body [a]
- stijf
material [a]
- stijf
medicine [a]
- sterk
behavior [a]
- stijf
- stug

punishment [a]
- sträng
- hård
alcoholic beverages [a]
- stark
body [a]
- stel
material [a]
- stel
medicine [a]
- kraftig
behavior [a]
- stram
- stel

punishment [a]
- severo
- duro
- pesado
alcoholic beverages [a]
- forte
body [a]
- tenso
- enrijecido
material [a]
- rígido
- inflexível
- duro
medicine [a]
- forte
- potente
- poderoso
behavior [a]
- duro
- formal
- cerimonioso
- frio

behaviour [a]
- stubborn
- obstinate
- resolved
- unrelenting
- unyielding
- firm
- pertinacious
property [a]
- inflexible
- firm
- rigid
- solid
- unbending
- unyielding
characteristic [a]
- awkward
- clumsy
- crude
- graceless
- inelegant
- abrupt
- harsh
characteristic [a]
- formal
- ceremonious
- prim
- priggish
- punctilious
- constrained
- stilted
- starched
property [a]
- difficult
- arduous
- laborious
- hard
manner [a]
- uncompromising
- dogmatic
- austere
- severe
- strict
- absolute
- inexorable
- positive
property [a]
- tense
- taut
- tight

Present participle; Past participle
- stiffing
- stiffed
Present
- stiff
- stiff
- stiffs
- stiff
- stiff
- stiff
Past
- stiffed
- stiffed
- stiffed
- stiffed
- stiffed
- stiffed
Future
- will stiff
- will stiff
- will stiff
- will stiff
- will stiff
- will stiff
Present conditional
- would stiff
- would stiff
- would stiff
- would stiff
- would stiff
- would stiff
Present Perfect
- have stiffed
- have stiffed
- has stiffed
- have stiffed
- have stiffed
- have stiffed
Past Perfect
- had stiffed
- had stiffed
- had stiffed
- had stiffed
- had stiffed
- had stiffed
Future Perfect
- will have stiffed
- will have stiffed
- will have stiffed
- will have stiffed
- will have stiffed
- will have stiffed
Past conditional
- would have stiffed
- would have stiffed
- would have stiffed
- would have stiffed
- would have stiffed
- would have stiffed
Imperative
- -
- stiff
- -
- -
- -
- -