Definition

1. Verb (intransitive, phrasal verb):
   • To arrive somewhere suddenly and without prior announcement or invitation. This usage emphasizes an unexpected and often abrupt entry or appearance.

Usage

• The phrasal verb "plump in" is used to describe the action of arriving or appearing unexpectedly. It typically implies a lack of formal notice or preparation for the arrival.
• It is often used in informal contexts.
• The verb is followed by an adverbial particle (like "in") and can be used with a prepositional phrase (e.g., "on a Sunday morning") to specify the time or circumstance of the arrival.

Examples

• Verb:
  • We were having a quiet dinner when he plumped in without warning.
  • She plumped in on us while we were still in our pajamas.

Advanced Usage

• The verb can sometimes imply a certain heaviness or decisiveness in the manner of arrival, consistent with the core meaning of "plump" suggesting something dropping or falling heavily.
• It is less common in modern American English but may be found in British English or literary contexts.

Variants and Related Words

• Plump (verb): To drop, fall, or sit down heavily and abruptly.
  • He plumped down onto the sofa.
• Plump for (phrasal verb): To choose or decide on something definitively.
  • I'll plump for the chocolate cake.

Synonyms

• Burst in: To enter suddenly and forcefully.
• Drop in: To visit informally or unexpectedly.
• Show up: To arrive, especially unexpectedly.

Related Phrasal Verbs

• Pop in: To visit briefly and informally.
  • Feel free to pop in for a cup of tea anytime.
• Barge in: To enter rudely or abruptly, often interrupting.
  • He barged in without knocking.

Related Idioms

• (To arrive) out of the blue: To arrive completely unexpectedly.
  • My old friend turned up out of the blue.

Verb

1. arrive suddenly and unannounced
   • He plumped in on a Sunday morning