This is a very useful add-on. If you're tired of needing an additional webpage for your quick access thesaurus, this is the solution.
That said, what it needs, is hotkey access. The more you use it, the more you see that takings hands off the keyboard, then mousing up to the add-ons, then navigating through the add-ons to the single control you'll usually ever need, that is unfortunate, and I hope the developer considers hotkeys as a future enhancement.
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