buffer
3 synonyms and 0 antonyms for buffer, grouped by meaning and by how common each one is.
Noun — Something that cushions or absorbs the impact between two things, physically or figuratively.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use buffer
The word patterns that sound natural to a native speaker.
Etymology
Formed from "buff" (to cushion or soften a blow) plus the "-er" ending.
Full origin of buffer →Frequently asked questions
What does “buffer” mean?
The word “buffer” means something that cushions or absorbs the impact between two things, physically or figuratively. In plain terms, something that softens an impact or shock — whether that's money, distance, chemistry, or streaming video.
How do you pronounce “buffer”?
“Buffer” is pronounced BUH-fuh (/ˈbʌfəɹ/ in IPA).
How do you use “buffer” in a sentence?
Here is “buffer” used in a sentence: “The savings account acted as a buffer against unexpected expenses.”
What part of speech is “buffer”?
Depending on how it is used, “buffer” can be a noun and a verb.
Is “buffer” a common word?
“Buffer” is a fairly common word in modern English, usually learned at around the C1 level.
How many meanings does “buffer” have?
“Buffer” has 4 distinct senses listed in this dictionary. The most common is: something that cushions or absorbs the impact between two things, physically or figuratively.
What is the difference between a buffer and a cache in computing?
A buffer is a temporary storage area that holds data before it is processed or transferred, often to smooth out differences in speed between systems, while a cache stores frequently used data to speed up future access. Buffers are typically about timing and flow, whereas caches are about reuse and retrieval speed.
What does "buffer" mean in chemistry versus everyday language?
In chemistry, a buffer is a solution that resists changes in pH when small amounts of acid or base are added. In everyday language, a buffer is anything that cushions or absorbs impact between two things, whether that's a physical object or a situation, such as a person acting as a buffer in an argument.
How is "buffer" used as a verb?
As a verb, "buffer" means to lessen or absorb the impact of something, as in "savings can buffer a family against sudden expenses." It's used both literally, for physical cushioning, and figuratively, for softening emotional or financial shocks.