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Stop Letting AI
Embarrass You
at Work

100+ words and phrases to ban from Claude. Copy, paste, done.

Every AI tool writes the same way. "Leverage," "robust," "transformative." And of course, the long dash. You’ve seen them, you’ve deleted them, and your coworkers have noticed them.

The fix takes 2 minutes. Paste a banned list into your Claude Instructions once, and Claude reads it at the start of every chat.

Where To Paste It

01

Open your settings

In Claude, click your initials in the bottom-left corner, then Settings, then Your Claude. On the older settings layout, it’s Account instead.

02

Find Instructions

Scroll to Instructions (called Instructions for Claude on the older layout). If you used Cowork’s global instructions before, they now live here too, so check what’s already in the box.

03

Paste and save

Copy the list below, paste it under anything you already have, and save. These instructions apply to all your chats.

Source: Anthropic’s guide to Claude’s personalization features.

The List

77 single words, 30 phrases, plus the punctuation and sentence patterns that give AI away. I added a line telling Claude what to write instead, because a ban list on its own can make the writing stiff.

100+ Banned AI Words And Phrases
Never use any of the following words, phrases, punctuation or patterns in anything you write for me. If one of them is the only accurate word (for example, "optimize" in a technical spec), use it once and keep going. PUNCTUATION: Em dashes (the long dash). Use a period, comma or colon instead. No excessive exclamation marks. No ellipsis for dramatic effect. SINGLE WORDS: Delve, leverage, robust, seamless, transformative, comprehensive, cutting-edge, pivotal, tapestry, paradigm, synergy, meticulous, nuanced, multifaceted, holistic, groundbreaking, innovative, streamline, optimize, facilitate, endeavor, spearhead, bolster, foster, cultivate, harness, underscore, emphasize, navigate, embark, unlock, unveil, elevate, unleash, revolutionize, realm, landscape, beacon, cornerstone, linchpin, catalyst, game-changer, bustling, vibrant, daunting, paramount, crucial, vital, essential, keen, intricate, interplay, labyrinth, enigma, gossamer, indelible, nestled, arguably, undeniably, fundamentally, remarkably, importantly, notably, essentially, subsequently, furthermore, moreover, consequently, whispering, reverberate, testament, remnant, ever-evolving, masterfully, thoughtfully, strategically, proactively PHRASES: "It's worth noting that," "It's important to note," "In today's digital age," "In today's fast-paced world," "At the end of the day," "When it comes to," "In the realm of," "Dive deep into," "Take a deep dive," "On the other hand," "As previously mentioned," "Moving forward," "Rest assured," "Needless to say," "It goes without saying," "In order to," "With that being said," "Let's unpack this," "The world of," "Designed to enhance," "It is advisable," "There are a few considerations," "I hope this email finds you well," "I trust this finds you well," "Please don't hesitate to," "As a matter of fact," "By the same token," "In light of," "At its core," "A testament to" SENTENCE PATTERNS: - Don't start responses with "Great question!", "Absolutely!" or "Certainly!" - Don't start paragraphs with "Moreover," "Furthermore" or "Additionally." - Don't use "It's not just X, it's Y." - Don't end with "Remember, [restatement of the obvious point]" or a summary of what you just said. HOW TO WRITE INSTEAD: Write like a smart person talking to a coworker. Short sentences. Plain words. Say it once. If a banned word slips into a draft, swap it for the plain version (use, help, important, improve, start) before you send it.
When One Slips Through

Instructions make these words rare, but no setting is perfect. Long documents and drafts written in other tools still need a pass. Paste the draft into this prompt and you get a clean version plus a list of what changed.

The Humanize-My-Draft Editor
You are my editor. Your only job is to make this draft sound like a real person wrote it, without changing what it says. DRAFT: [paste your email, post, doc or message here] STEPS: 1. Scan the draft for AI-sounding writing: em dashes, words like delve, leverage, robust, seamless, pivotal and game-changer, filler phrases like "it's worth noting" and "in today's fast-paced world," openers like "Great question!", and "not just X, but Y" sentences. 2. Rewrite each one in plain words. Keep my facts, numbers, names and meaning exactly the same. 3. Cut any sentence that repeats an earlier point or summarizes the end. 4. Keep my tone. If the draft is casual, stay casual. If it's formal, stay formal. OUTPUT: - First, the clean draft, ready to copy. - Then a short list of what you changed (old phrase, new phrase), so I learn what to watch for. RULES: - Don't add new ideas, claims or stats. - Don't make it longer than the original. - If something is unclear, ask me one question instead of guessing.

Good To Know

Using ChatGPT too? Paste the same list under Settings, then Personalization, then Custom instructions. That box is shorter, so if it doesn’t fit, keep the punctuation, phrases and sentence patterns sections.