The phrase "a simplistic design" is correct and usable in written English.
It can be used to describe a design that is overly simple, lacking in complexity or sophistication, often implying a negative connotation.
Example: "The product failed to impress consumers due to its simplistic design, which did not meet their expectations for functionality."
Alternatives: "a basic design" or "an overly simple design".
Since their main goal is the demonstration of drug efficacy, these trials are characterised by a simplistic design, they include a limited number of young participants (volunteers only), are of a short duration, and follow a strict protocol.
This stems from the fact that it has a simplistic design and tractable statistical analysis.
The Definitive Technology W Studio Micro is the perfect soundbar for most TVs because it has a simplistic design, an 8-inch subwoofer that offers impressive sound, and access to streaming services via DTS Play-Fi.
The color – a dark blue with panels and pockets, has a simplistic design with solid construction.
I have other similar devices, but none of them have the USB and the AC outlets in the same hub or with such a simplistic design.
Made of laminated bamboo, Gridesign Studio's Bow Tie Chair uses a simplistic design to create a minimalist piece that still offers full functionality.
Each cover also stuck to a strict, simplistic design strategy: a central band of white contained the book's title in the Gill Sans typeface, while the color-coded top and bottom bands were adorned with the Penguin brand name and logo.
A more simplistic design followed in 1983, featuring the initials of the club's name, NUFC with the small magpie used in the previous crest within the horizontally laid C, this logo was relatively short lived and was discontinued after 1988.
Google has a long history of simplistic design, and that's because Page and Brin had never designed anything in HTML before.
The clean lines and simplistic design of influential designers such as Gerrit Rietveld and Marcel Breuer have always influenced my work and designs".
Although this achieves a good coverage of nodes, its simplistic design consumes non-negligible power, engenders network contention/interferences, and is prone to packet collisions that cannot be detected by the sender [11].
