| Date: | 1400-1500 |
| Language: | French |
| Origin: | Latin legalis, from lex 'law' |
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le‧gal S3 W1

1 if something is legal, you are allowed to do it or have to do it by law [≠ illegal]:
What the company has done is perfectly legal.
plans to make the carrying of identity cards a legal requirement
What the company has done is perfectly legal.
plans to make the carrying of identity cards a legal requirement2 [only before noun] concerned with or relating to the law :
a costly legal dispute
a costly legal dispute the legal profession (=lawyers)
3 the use of the legal system to settle an argument, put right an unfair situation etc :
She threatened to take legal action against the hospital.
legal action/proceedings
She threatened to take legal action against the hospital.