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subject

🇬🇧 UK/səbˈdʒekt/🇺🇸 US/'sʌbdʒekt/
NGSL 1kIELTSGREA1

Definitions

n.

A topic or area of study.

主题;学科

n.

The grammatical agent performing the action in a sentence.

主语(语法)

n.

A citizen or member of a state under a monarch.

臣民

n.

A person or thing being studied or experimented on.

实验对象;受试者

v.

To cause someone to experience something, often unpleasant.

使遭受;使经历

adj.

Likely or prone to be affected by; conditional upon.

易受……的;取决于……的

Root Breakdown

Root-derived
sub-under, below
+
jectthrow, cast
=subject

sub- (under) + ject (throw) = 'thrown under.' A king's subject is someone thrown under royal authority. In grammar, the subject is placed under the predicate's action. As a verb, to subject someone is to throw them under an experience.

Why It Means This

The many meanings of subject all trace back to 'placed under.' A king's subject is under his rule. An academic subject is what's laid before you for study. A test subject is put under observation. The adjective 'subject to change' means something is placed under the possibility of change — it's subordinate to conditions. The verb shifts stress to the second syllable: sub-JECT means to force someone under an experience.

Usage Guide

- Topic (neutral): change the subject — shift the conversation

- Academic (neutral): My favorite subject is history — a course of study

- Grammar (technical): The subject of the sentence is 'they'

- Monarchy (formal): British subjects — people under the Crown

- Research (technical): test subjects, human subjects — people being studied

- Verb (formal): subjected to harsh criticism — forced to experience

- Adjective (formal): subject to approval — conditional, dependent on

- Stress shift: SUB-ject (noun) vs sub-JECT (verb)

Example Sentences

  • 1.

    Mathematics was his favorite subject in school.

  • 2.

    The prisoners were subjected to inhumane treatment.

  • 3.

    All flights are subject to delay during winter storms.

  • 4.

    The king's subjects gathered in the square.

Easily Confused

subject vs topic — Subject is broader: an academic field or a matter under discussion. Topic is more specific: the particular point being addressed. A subject (e.g., history) contains many topics (e.g., the French Revolution).

Word Forms

Verb

Pastsubjected
3rd Personsubjects
Past Part.subjected
Pres. Part.subjecting

Noun

Pluralsubjects

Derivatives

subjectivesubjectivelysubjectivitysubjection
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