Type A

American  

adjective

Psychology.

1. of or relating to a pattern of behavior characterized by competitiveness, a sense of urgency, impatience, perfectionism, and assertiveness, and possibly associated with an increased risk of heart disease.

2. of or relating to a person who exhibits Type A behavior.

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Compare meaning

How does type-a compare to similar and commonly confused words? Explore the most common comparisons:

• Type A vs. Type B

Example Sentences

Type A jet fuel cost $12.72 per gallon on Friday at Los Angeles International Airport, according to Atlantic Aviation.

From Los Angeles Times • Mar. 28, 2026

In minutes from the FDA’s Type A meeting—a meeting to discuss stalled development programs—the agency recommended uniQure conduct a further randomized, double-blind, sham surgery-controlled study, the company said.

From Barron's • Mar. 2, 2026

Nasa's "Type A" grade puts the Starliner incident at the same level assigned to the fatal 2023 Columbia and 1986 Challenger space shuttle disasters.

From BBC • Feb. 19, 2026

“But at this point, until we have that Type A meeting, we won’t really know how quickly we can get moving forward.”

From The Wall Street Journal • Feb. 13, 2026

He’d been vaccinated against B, and he didn’t do drugs, so that ruled out C. Type A was usually caused by drinking contaminated water or eating tainted food.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French