Collins COBUILD Advanced Learner's English Dictionary - accustomed

1. If you are accustomed to something, you know it so well or have experienced it so often that it seems natural, unsurprising, or easy to deal with. I was accustomed to being the only child at a table full of adults... = used ADJ: v-link ADJ to n/-ing 2. When your eyes become accustomed to darkness or bright light, they adjust so that you start to be able to see things, after not being able to see properly at first. My eyes were becoming accustomed to the gloom. ADJ: v-link ADJ to n 3. You can use accustomed to describe an action that someone usually does, a quality that they usually show, or an object that they usually use. He took up his accustomed position with his back to the fire... Freed acted with his accustomed shrewdness. ...his accustomed glass of whisky. = usual, habitual ADJ: poss ADJ n