upset

From Wiktionary

Word parts[change]

up- + set

Pronunciation[change]

noun
adjective, verb

Noun[change]

Singular
upset

Plural
upsets

  1. (uncountable) A disturbance or disruption.
    My late arrival caused the professor considerable upset.
  2. (countable) (sports) An unexpected win.
    The Nimrods defeated the Blue Devils yesterday in a stunning upset.

Adjective[change]

Positive
upset

Comparative
more upset

Superlative
most upset

  1. Very angry or very sad.
    He was upset after someone said bad things to him very loudly.
  2. Something is upset if it is in turned in the wrong direction like something that was dropped; turned in a direction with the bottom part up and the top part down.
    When they played with a ball in the room, a cup was upset and all the milk went onto the floor.

Verb[change]

Plain form
upset

Third-person singular
upsets

Past tense
upset

Past participle
upset

Present participle
upsetting

  1. If you upset someone, you make them angry, anxious, stressed, or unhappy.
  2. If you upset something, you disturb it, disrupt it, or change it to make it worse.
  3. If you upset something, you tip it or turn it upside down.