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Processed with VS1Give enthusiastic praise for an improvement—and recognize the expression’s sarcastic use.
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Source: VOA Learning English · Words and Their Stories
View original article & transcriptThis familiar expression can enthusiastically praise a useful innovation, but it can also be used ironically to mock someone who thinks too highly of themselves.
Cultural note: The phrase is usually playful hyperbole rather than a literal historical ranking. With a sarcastic tone, “thinks she’s the best thing since sliced bread” criticizes self-importance.
Keep exploringA new idea can feel wonderfully useful—or someone can think far too highly of themselves. Tone changes this slice of praise.
Phrase guide · 5 expressions
Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.
Praise a change that feels like a major improvement.
Meaning
A new or improved thing considered exceptionally useful or excellent.
Tone & use
An exaggerated, often playful compliment. It can also be sarcastic when describing someone who thinks too highly of themselves.
Example
“The shared calendar is the best thing since sliced bread—it finally keeps everyone’s plans in one place.”
Meaning
Strong approval or admiration.
Tone & use
A neutral phrase that makes a positive judgment without the exaggeration of the bread idiom.
Example
“Calling the new library “a wonderful community resource” is high praise.”
Describe new ideas, tools, and practical changes.
Meaning
A change or development that significantly improves a situation.
Tone & use
Informal and enthusiastic. Specify what changed rather than relying only on hype.
Example
“Having captions on the training videos was a game changer for new staff.”
Meaning
A change that makes something noticeably better.
Tone & use
Clear and neutral; a good alternative when a lively idiom feels too informal.
Example
“The simpler sign-up form is a major improvement over the old version.”
Recognize when the phrase criticizes self-importance.
Meaning
Think you are exceptionally important or impressive, often more than other people believe.
Tone & use
Usually sarcastic or critical. It can sound insulting if said directly to someone.
Example
“He talks as if he is the best thing since sliced bread, but his teammates prefer a quieter style.”
Knowledge check
Choose the expression that best fits each situation.
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