- (coordinating)
used to join terms when either one or the other or both is indicated: passports and/or other means of identification
WordReference Random House Learner's Dictionary of American English © 2025
and/or /ˈændˈɔr/USA pronunciation
conj.
WordReference Random House Unabridged Dictionary of American English © 2025- PronounsUse and/or to imply that either or both of the things mentioned may be affected or involved: You can get contact lenses and/or regular glasses at half price (= You can get either contact lenses or glasses, or you can get both at half price).
and/or
(and′ôr′),USA pronunciation conj.
- Pronouns(used to imply that either or both of the things mentioned may be affected or involved):insurance covering fire and/or wind damage.
- The combination and/or is used primarily in business and legal writing:All dwellings and/or other structures on the property are included in the contract.Because of these business and legal associations, some object to the use of this combination in general writing, where it occasionally occurs:She spends much of her leisure time entertaining and/or traveling.In such writing, either and or or is usually adequate. If a greater distinction is needed, another phrasing is available:Would you like cream or sugar, or both?
Collins Concise English Dictionary © HarperCollins Publishers::
'and/or' also found in these entries (note: many are not synonyms or translations):
-ator
- WM
- and
- but
- conditional
- conjunction
- contrast
- coordinating conjunction
- correlative
- correlative conjunction
- demist
- demister
- disjunction
- either
- key
- law and order
- often
- or
- quotation mark
- slash
- so
- virgule