optional
(adjective) possible but not necessary; left to personal choice
Source: WordNet® 3.1
optional (not comparable)
Not compulsory; left to personal choice; elective.
Synonyms: facultative, Thesaurus:optional
Antonyms: compulsory, mandatory, obligatory, Thesaurus:compulsory
optional (plural optionals)
Something that is not compulsory, especially part of an academic course.
(programming, sometimes, capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.
• Politano
Source: Wiktionary
Op"tion*al, a.
Definition: Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
– n.
Definition: See Elective, n. If to the former the movement was not optional, it was the same that the latter chose when it was optional. Palfrey. Original writs are either optional or peremptory. Blackstone.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
