unstick
B2Informal, occasionally technical
Definition
Meaning
To separate or detach something that is stuck or adhered to a surface.
To free from a state of being stuck; also used metaphorically to mean to become unstuck (from a situation or difficulty) or to cause something to become dislodged or fail.
Linguistics
Semantic Notes
Primarily a verb; can be transitive (I unstuck the label) or, less commonly, intransitive (The hatch finally unstuck). The past tense and past participle are 'unstuck'. The metaphorical sense is often used in the phrase 'come unstuck', meaning to fail or to encounter serious problems.
Dialectal Variation
British vs American Usage
Differences
The core meaning is identical. The metaphorical phrase 'come unstuck' is more frequent in British English. Americans might more commonly say 'became unstuck' or use 'fail'/'fall apart'.
Connotations
In both varieties, the literal sense is practical and somewhat informal. In British English, the phrase 'come unstuck' has a well-established metaphorical, slightly understated quality (e.g., for a plan failing).
Frequency
Low to medium frequency in both dialects, with the metaphorical phrase being more common in British media and conversation.
Vocabulary
Collocations
Grammar
Valency Patterns
Transitive: SUBJ unstick OBJIntransitive: OBJ unstick (e.g., The label unstuck)Phrasal: SUBJ come unstuckVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “come unstuck”
Usage
Context Usage
Business
"If we don't manage cash flow, the whole venture could come unstuck."
Academic
Rare; might appear in technical writing about adhesion.
Everyday
"The freezer door was frozen shut; I had to gently unstick it."
Technical
Used in contexts involving adhesion, mechanics, or materials science (e.g., 'unstick the bonded surfaces').
Examples
By Part of Speech
verb
British English
- I had to carefully unstick the old stamp from the envelope.
- His clever plan came badly unstuck when the weather changed.
American English
- Use a spatula to unstick the pancake from the griddle.
- The deal became unstuck during the final negotiations.
Examples
By CEFR Level
- The paper is stuck. Can you unstick it?
- The window was painted shut, so we had to unstick it.
- My zipper is stuck; I can't unstick it.
- He tried to unstick the frozen lock with a hairdryer.
- If the data is flawed, their entire argument could come unstuck.
- The diplomatic initiative came unstuck over a single clause in the treaty.
- Using a solvent, the conservator painstakingly unstuck the ancient parchment layers.
Learning
Memory Aids
Mnemonic
Think of the opposite: STICK means to attach. UN-do that action. So UN-STICK means to detach.
Conceptual Metaphor
FAILURE IS BECOMING UNSTUCK (e.g., 'His alibi came unstuck').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid a direct calque like 'расклеить' for metaphorical uses; 'to come unstuck' is better translated as 'потерпеть неудачу', 'развалиться'.
- Do not confuse with 'unsticky'; 'unstick' is a verb, not an adjective.
Common Mistakes
- Incorrect past tense: 'unsticked' (correct: 'unstuck').
- Using it as a noun (e.g., 'an unstick').
Practice
Quiz
Which sentence uses 'unstick' CORRECTLY?
FAQ
Frequently Asked Questions
No, it is generally informal. In formal writing, alternatives like 'detach', 'separate', or 'dislodge' are often preferred for the literal meaning, and 'fail' or 'collapse' for the metaphorical sense.
The past tense and past participle are both 'unstuck' (e.g., 'I unstuck it yesterday', 'It has become unstuck').
Yes, but less commonly. It can be used intransitively (e.g., 'The door finally unstuck') or in the phrasal verb form 'come unstuck'.
'Unstick' implies that the objects were held together by some form of adhesion, stickiness, or friction. 'Detach' is more general and can refer to any connection (screws, clips, etc.).