Meaning

2 senses
  1. (informal)An explosion (physical or emotional).

    I heard Jen's blow-up from the next room.

  2. (informal)An enlargement (e.g. of a photograph).

    Make a blow-up of the chart so we have more room to draw on it.

Origin

Deverbal from blow up.

Deverbal from blow up.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: blow-ups

See also

neighbours in the dictionary
blow-up — meaning, examples, forms, synonyms | Krumeto