sap
B2Informal, technical, slang
Definition
Meaning
The vital fluid that circulates in plants, carrying water and nutrients.
A foolish or gullible person (slang); to gradually weaken or drain energy (verb, from trench warfare).
Linguistics
Semantic Notes
The plant meaning is formal; the 'foolish person' usage is slang, often derogatory; the verb meaning 'to weaken' is typically metaphorical and informal.
Dialectal Variation
British vs American Usage
Differences
The slang noun for a 'fool' is more prevalent in American English. The verb meaning 'to undermine/drain' is used in both. The plant sense is identical.
Connotations
In both dialects, the verb often implies a gradual, insidious weakening. The slang noun is mildly derogatory.
Frequency
The plant sense is the most frequent in formal texts. The verb usage is moderately common. The slang noun is less frequent.
Vocabulary
Collocations
Grammar
Valency Patterns
sap Nsap N of Nbe sapped by NVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “sap (someone's) strength/energy”
- “sap (someone's) will”
Usage
Context Usage
Business
'The endless bureaucracy began to sap the team's morale.'
Academic
'The study analysed the chemical composition of xylem sap.'
Everyday
'Be careful, that pine tree has sticky sap.' 'Don't be such a sap, he's obviously lying.'
Technical
'Sapsuckers drill into the bark to feed on the phloem sap.'
Examples
By Part of Speech
verb
British English
- The constant rain sapped our enthusiasm for the camping trip.
- Years of failure had sapped him of his confidence.
American English
- The heat just saps all my energy by noon.
- They worried the scandal would sap public trust in the institution.
adverb
British English
- N/A
American English
- N/A
adjective
British English
- N/A. 'Sappy' is the adjective, meaning overly sentimental or full of sap.
American English
- N/A. See 'sappy'.
Examples
By CEFR Level
- The tree had sticky, golden sap on its trunk.
- Don't touch the sap; it's hard to wash off.
- Maple syrup is made from boiling the sap of sugar maple trees.
- The long illness sapped his strength.
- The insect feeds by piercing the stem and sucking the nutrient-rich sap.
- The team's spirit was sapped by a series of unfair losses.
- Phloem sap transports sugars and other metabolites throughout the plant.
- The economist argued that inflation was sapping the purchasing power of the middle class.
Learning
Memory Aids
Mnemonic
A tree's SAP is its 'Super Amazing Plant-juice'. If you're a SAP (fool), you're as gullible as a tree just standing there.
Conceptual Metaphor
STRENGTH/ENERGY/VITALITY IS A LIQUID (that can be drained). A PERSON IS A TREE (one can be full of youthful sap or have it drained).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do NOT confuse with 'сок' in the sense of fruit juice. 'Sap' is specifically plant fluid. The slang noun 'sap' (fool) is not directly translatable; 'простофиля' or 'лох' are approximate.
- The verb 'to sap' is not 'высасывать' (to suck out) but 'ослаблять/истощать' gradually.
Common Mistakes
- Using 'sap' as a countable noun for plant fluid ('a sap' is incorrect; it's usually uncountable). Confusing 'sap' (plant fluid) with 'sap' (fool) in formal writing.
- Incorrect verb pattern: 'It sapped on my energy' (correct: 'It sapped my energy').
Practice
Quiz
In which context is the word 'sap' most likely to be used as a derogatory slang term?
FAQ
Frequently Asked Questions
It is primarily uncountable (e.g., 'There's sap on the bark'). You can make it countable in phrases like 'different tree saps'.
'Sap' is a noun (plant fluid/fool) or verb (to weaken). 'Sappy' is an adjective meaning either 1) full of sap, or 2) (informal) excessively sentimental or mawkish.
It is mildly derogatory and informal, implying foolishness or gullibility. It's less harsh than 'idiot' but still an insult.
Almost never. It inherently means to drain, weaken, or exhaust something (strength, energy, morale, resources).