Synoniemen.net

endurcir (ww):
harden(en) to make hard(er).
(en) to cause to become accustomed to something unpleasant by prolonged exposure.
(ja) 固くする., verharden(en) to make hard(er).
(en) to cause to become accustomed to something unpleasant by prolonged exposure.
(ja) 固くする., afharden(de) an missliche äußere Bedingungen gewöhnen und dadurch widerstandsfähig machen., gewennen(en) to cause to become accustomed to something unpleasant by prolonged exposure., iemand begunstigen(en) to cause to become accustomed to something unpleasant by prolonged exposure., in voege treden(en) to cause to become accustomed to something unpleasant by prolonged exposure., stalen(en) to cause to become accustomed to something unpleasant by prolonged exposure., verstijven(en) to make hard(er).

Via: Dbnary en WikiWoordenboeken