If spellcheck is making it impossible for you to make a sentence, there's a decent chance it's not spellcheck's fault. It's like this employee who insisted on their spelling of "Hampster." This exact issue is what births many dumb and creative spelling fails, but we're not here to tell people how to spell correctly. We're here to laugh at them. It's hard to tell a higher-level employee when they're wrong, but if they insist on being wrong, go ahead and let them. For another technical solution to a frustrating boss, here's an employee who wrote some code to comply with their boss who said employees can't idle.