Before a noun, "platform-agnostic" is usually hyphenated. In "a platform-agnostic application," the hyphen helps readers treat both words as one modifier. A house style may allow an open form when the meaning is clear. So this rule is not the same for every publisher.
After a linking verb such as "is" or "remains," an open form is often natural: "the application is platform agnostic." The hyphenated form is also common in technical writing. Follow your house style. Use one form throughout.
The pre-noun rule is firm
A common editing choice is a hyphen in "platform-agnostic solution." It shows that the two words work together to modify solution. The hyphen helps readers see them as one modifier.
- Preferred: "We built a vendor-agnostic review process."
- Often edited: "a vendor agnostic review process."
This pattern is the safest choice in technical reports, client emails, and other edited prose. Still, a publisher's style guide may set a different rule.
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See how Lyra Practice works →After a linking verb, the rule is softer
After a linking verb, compounds are often left open. Thus, "the interface is technology agnostic" is standard in many styles. The form "the interface is technology-agnostic" is also common, mainly when the term is treated as a set technical label. Neither form changes the design claim. Pick one form based on house style and use it consistently.
- Two common forms: "The interface is technology agnostic" and "the interface is technology-agnostic." Check the style used in the same document.
A separate, unrelated mistake: stacking objects
When you name more than one object, a long compound such as "cloud-and-vendor-agnostic" can be hard to read. A rewrite is often clearer.
- Clearer: "the platform does not depend on one cloud provider or vendor."
- Denser: "a cloud-and-vendor-agnostic platform."
Remember the usual pattern: hyphenate before a noun, and consider an open form after a linking verb. Then check the relevant style guide. Grammar alone does not show whether the product truly works across platforms.
Practice scenarios
Practice using agnostic in situations such as:
- applying the usual hyphen before a noun
- checking house style after the verb "is"
- rewriting a long compound as a clear clause
Useful practice phrases:
- "a [noun]-agnostic solution (usually hyphenated before the noun)"
- "the platform is [noun] agnostic (often open after the verb)"
- "does not depend on [noun] or [noun] (a clear rewrite)"
The usual form before a noun has a hyphen. After a linking verb, both forms occur. House style decides close cases.
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