BOB°ëµº
Log In
|
Register
home
|
subscription
|
feedback
|
about us
|
|
widget
|
FAQ
Dictionaries
Children's
WILD (Illustrated)
Word Exploration
Word Explorer
Browse
Search Filter
Reverse Search
A-Z Word Parts
Puzzle Solvers
Anagram Solver
Crossword Solver
Teacher Tools
Classes
Students
Lessons
Assignments
Reports
Vocabulary Center
Activities
Wordlist Maker
Legacy activities
My BOB°ëµº
Lookup History
My Wordlists
Legacy activities
Word Explorer
Children's
Dictionary Suite
Elementary dictionary
Intermediate dictionary
Intermediate Dictionary
See entry in Elementary Dictionary
More results
Show multi-word results
Browse in wordlist
See entries that contain "optional"
Display options
Show syllables
Show Lookup History
Double-Click Lookup
Show Word Parts
Show Spanish support
Show Chinese support
Pronunciation
BOB°ëµº
Phonics
IPA
op·tion·al
optional
pronunciation:
ap
sh
n
l
part of speech:
adjective
definition:
left to someone's choice; not required.
Sports are optional at my school.
antonyms:
compulsory
,
imperative
,
required
similar words:
alternative
,
voluntary
derivation:
optionally (adv.)
Subscribe for ad-free
BOB°ëµº and more
Learn more
Home
Send Feedback
Having a problem?
Suggest a Word
Privacy Policy
©2025 BOB°ëµº