Word.ws English Dictionary

on acid

on acid prepositional phrase: exaggerated, bizarre or unpredictable.

Prepositional phrase

  1. (idiomatic, informal) Exaggerated, bizarre or unpredictable.
  2. Used other than figuratively or idiomatically: see on, acid.
    Synonyms:
    on steroids

Synonyms of on acid

Origin of on acid

From on + acid, referring to the intoxicating substance.

Questions about on acid

What does on acid mean?
On acid means exaggerated, bizarre or unpredictable.
What part of speech is on acid?
On acid is a prepositional phrase.

Words near on acid in the dictionary

  1. on a wonder
  2. on about
  3. on accident
  4. on account
  5. on account of
  6. on acid
  7. on again off again
  8. on again, off again
  9. on air
  10. on alert
  11. on all counts

Source and license

Adapted from Wiktionary: on acid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-on acid.ogg.

Cite this entry: “on acid.” Word.ws, https://word.ws/on_acid. Based on Wiktionary, CC BY-SA 4.0.