off one's tree

prepositional phrase

Crazy; unhinged; irrational.

Meanings

prepositional phrase
  1. idiomaticCrazy; unhinged; irrational.

    Deirdre was increasingly off her tree in the last sad days of our relationship. Her demands and quirks were ever more extravagant and dislocated.

    1989, Robert McLiam Wilson, Ripley Bogle, Arcade Publishing, published 1998, →ISBN, page 192
    2 more examples

    "These guys were off their tree," David Hawk recalled. At one point, a VMC activist asked the Weathermen what they were really after. "To kill all rich people," Ayers replied.

    1994, Tom Wells, The War Within: America's Battle Over Vietnam, iUniverse, published 2005, →ISBN, page 391

    But after her wedding he goes completely off his tree, runs off into the wilderness and starts ranting in verse and writing poems in the sand with a stick.

    2010, Anouchka Grose, Why Do Fools Fall in Love: A Realist's Guide to Romance, Tin House Books, published 2011, →ISBN, page 92

    Synonyms: out of one's tree

Synonyms & antonyms

prepositional phraseCrazy; unhinged; irrational.

Cite this entry
APA

off one's tree. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/off%20one's%20tree

MLA

“off one's tree.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/off%20one's%20tree. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “off one's tree,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/off%20one's%20tree.

Source: off one's tree on Wiktionary, CC BY-SA 4.0.