Meaning
Crazy, mad, strangely behaving; especially as attributed to hot weather.
Etymology
Origin: Unknown
From tropical + -o (diminutive suffix). First used by Australian troops in tropical regions during WWII, in the sense “affected by war service in the tropics.”
Synonyms & Antonyms
Synonyms
bonkersdoolallydoolally tap
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.