supplementary - Master This Word
Master this word with our 5-step learning method – Learn English in English
supplementary Word Meanings
- providing additional help or support
- serving as a supplement
- extra or ancillary
supplementary Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
supplementary Phonetic & Pronunciation
UK
/ˌsʌplɪˈmɛntri/
US
/ˌsʌplɪˈmɛnteri/
supplementary Word Etymology
Root decomposition: 'supplement' (from Latin 'supplementum') + '-ary' (suffix for relating to). Historical origin: Latin → Old French → English. Memory image: Imagine a teacher providing supplementary materials to help students understand better, emphasizing the idea of something extra added for support.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Supplementary describes something that provides additional help, support, or an extra element alongside the main item. In everyday use, people refer to supplementary materials, such as worksheets, glossaries, or explainer videos, that accompany a textbook or course to deepen understanding. It implies the extra component is helpful but not strictly essential. The term comes from the verb supplement and the suffix -ary, with a Latin root supplementum; etymology often helps remember that it adds value rather than replacing the core content. In contexts like funding, evidence, or services, supplementary resources are designed to reinforce learning, fill gaps, or broaden a topic without altering the primary structure.
Usage Reminders
- Use supplementary to describe extra, not essential, materials.
- Pair it with nouns like materials, notes, information, or evidence.
- It usually means helpful but optional in a given context.
- Compare with complementary when you mean improving or completing something.
- Prefer supplementary materials for learners who need extra practice.
- In formal writing, keep the sense of added support rather than replacement.
Common Misconceptions
- It means essential or required content
- It can replace the main material
- It is the same as complementary
- It always refers to financial support
- It is only used in academic contexts
Thinking Differences
Supplementary in English is usually about extras that support but are not required; learners often misplace it as essential or interchangeable with complementary.
Learning Tips
- Memorize common collocations with supplementary such as materials, notes, and evidence.
- Practice distinguishing supplementary from complementary through real context examples.
- Use it to describe resources that add value without altering the main content.
- Pay attention to formality; use in academic or official contexts.
- Create your own sentences with supplementary to reinforce understanding.
- Listen for it in lectures and look for accompanying materials.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of 'supplementary'?
A.A color in the spectrum
B.A type of fruit
C.Something that is additional and provides support
D.A form of government
Step 2: Usage
How is 'supplementary' used in a sentence?
A.She took supplementary steps to improve her skills.
B.He was supplementary happy about his achievement.
C.The supplementary lights brightened the room.
D.The supplementary car drove through a red light.
Step 3: Similar Words
Which word is most similar to 'supplementary'?
A.primary
B.fundamental
C.additional
D.mandatory
Step 4: Opposite Words
What is the opposite of 'supplementary'?
A.optional
B.minimal
C.primary
D.excessive
Step 5: Mastery
Can you think of a real-life scenario of using 'supplementary'?
A.He ordered food for dinner.
B.A teacher provided extra materials for students.
C.She completed her workout routine.
D.The meeting discussed mandatory policies.
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