| Related synonyms for hard in Interlingua |
 | difficult | difficile |
| Also for hard in Interlingua |
 | difficult | difficile |
| Similar to for hard in Interlingua |
 | alcoholic | alcoholic |
 | bad | mal |
 | set | solidificar#Interlingua'solidificar se |
| Antonyms for hard in Interlingua |
 | easy | facile |