eas ‧ i ‧ ness /ˈiːzinəs, ˈiːzinɪs/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ ease , ↑ unease , ↑ easiness , uneasiness; adverb : ↑ easily , ↑ uneasily , ↑ easy ; adjective : ↑ easy , ↑ uneasy ; verb : ↑ ease ]
1 . a feeling of being relaxed and comfortable with someone
2 . when something is not difficult