Updated on March 16, 2024
| great | Making that great mistake cost them dearly. | 
| same | Let's not make the same mistake twice. | 
| big | He made a big mistake by trusting him. | 
| serious | Making a serious mistake can have far-reaching consequences. | 
| common | When filling out a form, it is a common mistake to leave fields blank. | 
| fatal | The fatal mistake led to the downfall of the company. | 
| terrible | Making a terrible mistake she lost everything in an instant. | 
| grave | Making a grave mistake can have serious consequences. | 
| biggest | The biggest mistake I ever made was not trusting my gut. | 
| greater | It was a greater mistake to have trusted him. | 
| greatest | Her greatest mistake was not listening to her gut. | 
| bad | I made a bad mistake last week. | 
| fundamental | The fundamental mistake he made was to underestimate the importance of strategic planning. | 
| major | The company's major mistake was to release the product without proper testing. | 
| huge | Hiring that employee was a huge mistake | 
| single | A single mistake can have far-reaching consequences. | 
| honest | I made an honest mistake when I sent the wrong email. | 
| stupid | |
| tragic | The tragic mistake cost him everything. | 
| sad | That was a sad mistake he made. | 
| worst | I can't believe you made that worst mistake | 
| gross | We made a gross mistake and lost the game. | 
| dreadful | That was a dreadful mistake | 
| mutual | Due to a mutual mistake the contract was void from the beginning. | 
| unfortunate | There was an unfortunate mistake in the software's calculations. | 
| costly | It was a costly mistake that could have been avoided. | 
| slight | I made a slight mistake when I was filling out the form. | 
| grievous | The accident was a grievous mistake by the engineer. | 
| simple | The simple mistake cost her the game. | 
| horrible | I made a horrible mistake that I will regret for the rest of my life. | 
| tactical | The coach criticized his team for their tactical mistake | 
| slightest | If you make the slightest mistake it will be your undoing. | 
| strange | I made a strange mistake while trying to solve the puzzle. | 
| obvious | The obvious mistake was easily spotted. | 
| foolish | I made a foolish mistake by not checking my work. | 
| initial | The initial mistake led to a series of unfortunate events. | 
| disastrous | The disastrous mistake led to the company's downfall. | 
| mere | This is a mere mistake | 
| profound | Making a profound mistake can lead to dire consequences. | 
| grand | The grand mistake was obvious in hindsight. | 
| awful | That was an awful mistake | 
| dangerous | |
| frequent | |
| innocent | It was just an innocent mistake no harm done. | 
| silly | I made a silly mistake by leaving my keys in the car. | 
| easy | It's an easy mistake to make when you're not paying attention. | 
| strategic | The company's latest product launch was a strategic mistake that cost them a significant amount of market share. | 
| colossal | That was a colossal mistake | 
| curious | I noticed a curious mistake in your code. | 
| ghastly | I made a ghastly mistake that cost me dearly. | 
| crucial | Failing to identify the crucial mistake cost the team the championship. | 
| opposite | It was the opposite mistake but it still had the same result. | 
| unilateral | The court found that the contract was void due to a unilateral mistake by one of the parties. | 
| expensive | Buying that car was an expensive mistake | 
| egregious | This was an egregious mistake we will not repeat. | 
| absurd | The absurd mistake was recognized immediately. | 
| worse | It couldn't be a worse mistake to judge a book by its cover. | 
| hideous | She made a hideous mistake on her project | 
| minor | I made a minor mistake on my homework. | 
| careless | The careless mistake cost him the game. | 
| occasional | The new employee made occasional mistakes as he was adjusting to the new job. | 
| classic | John made the classic mistake of underestimating his opponent's strength. | 
| least | The student with the least mistake will earn bonus points. | 
| cardinal | Avoiding the cardinal mistake of trusting your opponent led to my victory. | 
| logical | |
| ridiculous | |
| enormous | I made an enormous mistake when I agreed to help him. | 
| fearful | His fearful mistake resulted in a chain of events that led to his downfall. | 
| bigger | That was a bigger mistake than I thought it would be. | 
| elementary | 
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