The noun case has 18 senses (first 15 from tagged texts)
1. (705) lawsuit, suit, case, cause, causa -- (a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy; "the family brought suit against the landlord")
2. (703) case, instance, example -- (an occurrence of something; "it was a case of bad judgment"; "another instance occurred yesterday"; "but there is always the famous example of the Smiths")
3. (237) event, case -- (a special set of circumstances; "in that event, the first possibility is excluded"; "it may rain in which case the picnic will be canceled")
4. (106) case -- (a problem requiring investigation; "Perry Mason solved the case of the missing heir")
5. (98) case -- (the actual state of things; "that was not the case")
6. (84) case -- (a statement of facts and reasons used to support an argument; "he stated his case clearly")
7. (48) case -- (a portable container for carrying several objects; "the musicians left their instrument cases backstage")
8. (45) subject, case, guinea pig -- (a person who is subjected to experimental or other observational procedures; someone who is an object of investigation; "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities")
9. (34) case -- (a person requiring professional services; "a typical case was the suburban housewife described by a marriage counselor")
10. (10) case, caseful -- (the quantity contained in a case)
11. (8) case, display case, showcase, vitrine -- (a glass container used to store and display items in a shop or museum or home)
12. (7) case -- (a specific state of mind that is temporary; "a case of the jitters")
13. (5) case, grammatical case -- (nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence)
14. (4) shell, case, casing -- (the housing or outer covering of something; "the clock has a walnut case")
15. (3) character, eccentric, type, case -- (a person of a specified kind (usually with many eccentricities); "a real character"; "a strange character"; "a friendly eccentric"; "the capable type"; "a mental case")
16. sheath, case -- (an enveloping structure or covering enclosing an animal or plant organ or part)
17. casing, case -- (the enclosing frame around a door or window opening; "the casings had rotted away and had to be replaced")
18. case, pillowcase, slip, pillow slip -- (bed linen consisting of a cover for a pillow; "the burglar carried his loot in a pillowcase")
Overview of verb case
The verb case has 2 senses (first 1 from tagged texts)
1. (1) case -- (look over, usually with the intention to rob; "They men cased the housed")
2. encase, incase, case -- (enclose in, or as if in, a case; "my feet were encased in mud")