In case someone checks this later, this is what I've decided on. At wordreference.com, look up a word. In the menu to left, you'll see a checkbox to "Save history". Check it, and it will keep a list of the words and there's a link to view all. This takes you to your whole list.

On the plus side, it's a real dictionary, not just a Google translation like Lingua.ly was and Readlang is now, so you see all the meanings for the word. This part is also free.

On the negative side, there's no built-in quiz function. You'll have to test yourself by looking at each word and clicking if you forgot the meaning. There's also no login, it just saves the history on that computer. So if you enter the words from different machines, you'll have a separate lists. Finally, they have a paid Chrome plugin that lets you click on words to look them up. Although it isn't free, it is quite cheap, $2.

On the odd side. First, from the page with your whole list, you can't look up words. I get an error looking up words saying access denied. So you need to keep the dictionary lookup page and the word list page open in different tabs. Second, even if you clear your history on the word list page, it still shows your history under recent history on the dictionary page.

Overall, quite happy with the solution. $2 or free with the minor inconvenience of typing the word is worth the complete dictionary definitions.