Find out if fail-safe is plural by checking the Plural Dictionary: www.isplural.com/plural_singular/fail-safe .

fail-safe

Is fail-safe plural

Fail-safe is both plural and singular plural plural singular both plural and singular plural singular both plural and singular singular.

How to say fail-safe:

Cite This Source

Not sure why fail-safe is both plural plural singular both plural singular both singular? Contact Us! We'll explain.

Pop Quiz

What's the plural of
ABC?

is Plural, Plural or Singular, is Plural Dictionary,
and is Singular are all trademarks of Plural Of.