to feel sure that something is true
- Similar:
- trust
- Opposite:
- disbelieve
Foundation level · Year 4 · free
necessary
adjective
needed in order to do something or for it to work
Her necessary pencil finished the drawing.
Similar and opposite words
Synonyms (similar meaning)
- essential
- needed
- vital
- must-have
- required
Antonyms (opposite meaning)
- needless
- optional
- unnecessary
More examples
- The necessary sword in the tale saved the hero.
- His necessary effort won the game for his team.
Try a quick question
One question about “necessary”, the way 11+ papers ask it (Foundation level).
More thinking & knowing words
eager to find out or learn about things
- Similar:
- inquisitive
- Opposite:
- apathetic
something that is known to be true
- Similar:
- truth
- Opposite:
- falsehood
wanting to know or learn more about something
- Similar:
- curious
- Opposite:
- apathetic
planned or wanted to do something
- Similar:
- intended
- Opposite:
- accidental
something you can choose from several things
- Similar:
- choice
- Opposite:
- necessity
very likely, though not completely certain
- Similar:
- likely
- Opposite:
- absolutely
the reason why something is done or exists
- Similar:
- aim