functional
12 synonyms and 6 antonyms for functional, grouped by meaning and by how common each one is.
Adj — Working properly; in usable, operating condition.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use functional
The word patterns that sound natural to a native speaker.
Etymology
From function + the adjective suffix -al.
Full origin of functional →Frequently asked questions
What does “functional” mean?
The word “functional” means working properly; in usable, operating condition. In plain terms, working, or built to be practical and useful rather than decorative.
How do you pronounce “functional”?
“Functional” is pronounced FUHNGKT-shuh-nuhl (/ˈfʌŋkt͡ʃənəl/ in IPA).
How do you use “functional” in a sentence?
Here is “functional” used in a sentence: “The old radio is still functional after fifty years.”
What is another word for “functional”?
Words with a similar meaning to “functional” include functioning, working, utilitarian, in working order, operational and running like a top.
What is the opposite of “functional”?
The opposite of “functional” — its antonyms — are dysfunctional, non-functional, nonfunctional, unfunctional and organic.
What part of speech is “functional”?
“Functional” is an adjective.
Is “functional” a common word?
“Functional” is a fairly common word in modern English, usually learned at around the B2 level.
How many meanings does “functional” have?
“Functional” has 2 distinct senses listed in this dictionary. The most common is: working properly; in usable, operating condition.
What is the difference between "functional" and "operational"?
Both mean something is working, but "functional" stresses that a thing is in usable, working condition and can perform its purpose. "Operational" often stresses that a system or machine is actively up and running, especially in technical or military contexts.
What is the difference between "functional" and "practical"?
"Functional" describes something designed for use rather than appearance, or something that simply works. "Practical" stresses being sensible, useful, and effective in real situations, so a design can be functional yet still be judged on how practical it is day to day.
What is the difference between "functional" and "dysfunctional"?
They are opposites. "Functional" means working properly and able to perform its purpose, while "dysfunctional" means not working as it should, whether describing a machine, a system, or a relationship.
What is the difference between "functional" and "functioning"?
"Functioning" usually means currently working at this moment, as in "a functioning engine." "Functional" more broadly means designed to work or capable of working, and it can also mean built for practical use rather than looks.