necessary
Elementary (A2)
IPA: /ˈnɛsəˌsɛri/
KK: /ˈnɛsəˌsɛri/
adjective
Definition
Something that is essential or required for a particular purpose or situation.
Example
It is necessary to wear a helmet when riding a bike for safety.
Conversation
Do you think it's necessary to bring a gift to the party?
I guess it depends on how close you are to the host.
Yeah, I just feel like it's polite to show appreciation.
Exactly! A small gesture always makes a good impression.
Synonyms & Antonyms
Synonyms
essential
indispensable
requisite
Antonyms
unnecessary
optional
superfluous
noun
Definition
Something that is essential or needed for a particular purpose.
Example
Water is a necessary resource for all living things.
Conversation
Do you have all the necessary items for the trip?
Yeah, I packed everything we need for hiking and camping.
Great! I always forget something important if I don't make a list of necessary things.
Root Explanation
Necessary → It is formed from 'necessarius' (from Latin, meaning unavoidable or essential) and the suffix '-y' (indicating a state or condition). The word 'necessary' means something that is essential or required.
Memory Tip
Think of something that is 'essential' ('necessarius') — that helps you remember that 'necessary' means something you must have.
Visually Confused Words
unnecessary
nonnecessary
unnecessarily
seminecessary
equinecessary