The most popular online dictionary and thesaurus for learners of English
be out to lunch
informalDefinition
(Definition of be out to lunch from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
Browse related topics
You are looking at an entry to do with Of unsound mind, but you might be interested in these topics from the Psychology, psychiatry, & psychoanalysis topic area:
Browse the Thesaurus
SMART Thesaurus: Of unsound mind
Synonyms and related words:
- (as) mad as a hatter/March hare idiom
- be (as) nutty as a fruitcake idiom
- be crazy about sb/sth idiom
- crackers adjective
- demented adjective
- deranged adjective
- disturbed adjective
- flaky adjective (PERSON)
- gaga adjective (MENTALLY UNCLEAR)
- have bats in the belfry idiom
- institutionalized adjective
- like a man/woman possessed idiom
- mad adjective (MENTALLY ILL)
- madness noun (MENTAL ILLNESS)
- maniac noun (MENTALLY ILL)
- mixed up adjective
- off your rocker idiom
- off your trolley idiom
- take leave of your senses idiom
- wreck noun
Our dictionaries
Word of the Day
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
