one-acter
C1Literary, technical (theatre), formal
Definition
Meaning
A short play consisting of only one act.
A dramatic composition brief enough to be performed in its entirety without an interval; can also metaphorically describe any brief, self-contained event or situation.
Linguistics
Semantic Notes
Primarily a countable noun; used in theatre critique and programme descriptions. Implies conciseness and a single, focused dramatic arc.
Dialectal Variation
British vs American Usage
Differences
Both varieties use the term, with 'one-act play' being a more common, synonymous phrase. Spelling is consistent; no major lexical difference.
Connotations
Neutral and descriptive in both, associated with amateur dramatics, fringe theatre, and student productions as much as professional works.
Frequency
Low frequency in general language, but standard within theatre contexts. No significant frequency difference between UK and US.
Vocabulary
Collocations
Grammar
Valency Patterns
The theatre company is [VERB: producing/staging] a one-acter.She [VERB: wrote/composed] a poignant one-acter about isolation.The festival features several [ADJ: new/experimental] one-acters.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms for this specific term]”
Usage
Context Usage
Business
[Not applicable]
Academic
Used in drama studies and literary analysis to categorise works by structure.
Everyday
Rare, except when discussing specific theatre events or amateur productions.
Technical
Standard term in theatre programming, criticism, and education.
Examples
By Part of Speech
verb
British English
- We'll one-act it. [Non-standard, rare]
American English
- They tried to one-act the script. [Non-standard, rare]
adjective
British English
- [The term is primarily a noun. 'One-act' is the adjectival form, as in 'a one-act play']
American English
- [The term is primarily a noun. 'One-act' is the adjectival form, as in 'a one-act festival']
Examples
By CEFR Level
- This is a short play.
- The drama group performed a short, funny one-acter.
Learning
Memory Aids
Mnemonic
Think: 'One ACTor might star in a ONE-ACTER' — a single act for a (potentially) single actor.
Conceptual Metaphor
THEATRICAL WORK IS A CONTAINER (with one compartment). / BREVITY IS A SINGLE UNIT.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating directly as 'одно-актёр' (which implies a single actor). The correct equivalent is 'одноактная пьеса'. The '-er' suffix denotes the thing itself, not the performer.
- Do not confuse with 'one-man show' (монолог, спектакль одного актёра).
Common Mistakes
- Spelling: 'one-actor' (incorrect; confuses with performer).
- Using as a plural: 'one-acters' is correct, not 'one-act'.
- Overusing where 'short play' or 'sketch' would be more natural.
Practice
Quiz
In which context is the term 'one-acter' most appropriately used?
FAQ
Frequently Asked Questions
Not exactly. A 'one-acter' is a complete, albeit short, play with a narrative arc. A 'sketch' (e.g., in comedy) is often a brief, self-contained scene focused on a single joke or idea, with less emphasis on traditional plot development.
Yes. While many are short, the defining feature is the single-act structure, not a strict time limit. Some one-act plays can run for an hour or more.
They are synonyms. 'One-acter' is slightly more informal and concise, often used in theatre circles. 'One-act play' is the more formal, descriptive term.
Yes, in standard usage. The hyphen links 'one' and 'act' before the agent-noun suffix '-er', clarifying it is a thing (a play) of one act, not a person who acts once.