top of the line
The best, or of the highest quality, especially among a range of products.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“They bought a top of the line computer for their office.”
“Since he travels for work every week, he decided to invest in a top of the line suitcase that will last for years.”
“The laboratory recently acquired a top of the line microscope, allowing the researchers to observe cellular structures with unprecedented clarity and precision.”
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blur the line
To minimize or erode the distinction between two things.
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bottom line
The summary or result; the most important information.
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bottom of the line
The worst or lowest quality on the market, especially among a range of products.
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bright line
A clear distinction in the context of a legal, moral, ethical, or analytical judgment.
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cherry on top
Synonym of icing on the cake (“a thing which intensifies the appreciation of something already good, or (ironic) the regretting of something already bad”).
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clear one's lines
To clear the ball away from a dangerous position.
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cross the line
To overstep a boundary, rule, or limit; to go too far or do something unacceptable.
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draw a line
To delimit a boundary or border.
Last updated August 10, 2026