noun
tachy
Tachy (noun) means informal short form of tachycardia, an abnormally fast heart rate. Example: “The paramedic noted the patient was in tachy on the monitor.”
noun
1
Informal short form of tachycardia, an abnormally fast heart rate.
"The paramedic noted the patient was in tachy on the monitor."
"Her tachy resolved on its own once she calmed down and rested."
adj
1
Having an unusually fast heart rate; tachycardic.
"The nurse flagged him as tachy after his heart rate spiked past 120."
How to use tachy
Learner’s notesIn plain EnglishMedical shorthand for a racing heart rate, or for being in that state.
Memory tip
You will mostly hear this in hospitals and ambulances as quick slang, not in everyday conversation.
Trace the full origin ↓
Easily confused with
Common pairings
go tachy
in tachy
a tachy patient
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The paramedic noted the patient was in _____ on the monitor.
Etymology
A clipped, informal version of medical terms built on the Greek prefix "tachy-", meaning "swift" or "fast" — the same root found in "tachycardia" and "tachometer."
Rhymes for tachy
See all rhymes for tachy →Frequently asked questions
What does “tachy” mean?
The word “tachy” means informal short form of tachycardia, an abnormally fast heart rate. In plain terms, medical shorthand for a racing heart rate, or for being in that state.
How do you use “tachy” in a sentence?
Here is “tachy” used in a sentence: “The paramedic noted the patient was in tachy on the monitor.”
What part of speech is “tachy”?
Depending on how it is used, “tachy” can be a noun and an adjective.
Where does the word “tachy” come from?
The word “tachy” comes from Greek. A clipped, informal version of medical terms built on the Greek prefix "tachy-", meaning "swift" or "fast" — the same root found in "tachycardia" and "tachometer.".
How many meanings does “tachy” have?
“Tachy” has 2 distinct senses listed in this dictionary. The most common is: informal short form of tachycardia, an abnormally fast heart rate.
