We found 4 dictionaries that define the word something is up:

General (4 matching dictionaries)

1. something is up: Longman Dictionary of Contemporary English
2. something is up: Oxford Learner's Dictionaries

Phrases: something that is coming up soon, more... ▸ Words similar to something is up ▸ Usage examples for something is up ▸ Idioms related to something is up ▸ Wikipedia articles (New!) ▸ Words that often appear near something is up ▸ Rhymes of something is up ▸ Invented words related to something is up