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Definitions from the Web

Necessary

Definition:

adjective

1. required to be done, achieved, or present; essential.

2. happening or existing by compulsion or unavoidably.

Example Sentences:

• It is necessary to study for the exam in order to achieve a good grade. [related products]
• Wearing a helmet is necessary for safety purposes while riding a bike. [related products]
• Planning ahead is necessary to ensure a successful event. [related products]
• Attending the meeting is necessary to stay informed about company updates. [related products]

Synonyms:

essential, required, needed, obligatory, compulsory

Antonyms:

optional, unnecessary, dispensable