approx
adj. B2 Upper Intermediate ap·prox
adj. short for approximate, meaning close to the correct amount or number but not exact. You use it when you do not need a precise figure.
adj. informal shortening of approximate; denoting a value or estimate that is close to the true figure but not exact. Typically used in technical or business contexts where precision is secondary to speed.
The approx cost is fifty dollars.
The report gives an approx count of the attendees, noting that the final number may vary slightly.
Engineers rely on approx calculations during the initial design phase to determine feasibility before committing to expensive, high-precision simulations.
Usage
The adjective is informal and typically precedes the noun it modifies.