Adjective

(en adjective)

Having relevant and crucial value.

:

*

*:Thus, when he drew up instructions in lawyer language, he expressed the important words by an initial, a medial, or a final consonant, and made scratches for all the words between; his clerks, however, understood him very well.

*{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=20 citation , passage=The story struck the depressingly familiar note with which true stories ring in the tried ears of experienced policemen.

*1988, (Robert Ferro), Second Son :

*:For this was the most important thing, that when a person felt strongly about an issue in life, it mustn’t be ignored by others; for if it was, everything subsequent to it would turn out badly, even though there should seem to be no direct connection.

*{{quote-magazine, year=2013, month=May-June, author= Katrina G. Claw

, title= Rapid Evolution in Eggs and Sperm , volume=101, issue=3, magazine=(American Scientist) , passage=In plants, the ability to recognize self from nonself plays an important role in fertilization, because self-fertilization will result in less diverse offspring than fertilization with pollen from another individual.}}

Adjective

(en adjective)

Required; obligatory; mandatory.

* 1827 , A. D. Jr., Edinburgh Medical and Surgical Journal , A. and C. Black, page 212:

They are entirely private concerns, established by individual teachers, and attendance upon them is no more compulsory than attendance on our dispensaries.

* 1996 , (Ugo Pagano), Democracy and Efficiency in the Economic Enterprise , page 73:

Some might agree that membership in the firm is perhaps more compulsory than membership in a municipality, but balk at applying the analogy to the nation.

* {{quote-magazine, date=2013-07-19, author=(Peter Wilby)

, volume=189, issue=6, page=30, magazine=(The Guardian Weekly) , title= Finland spreads word on schools , passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16. Charging school fees is illegal, and so is sorting pupils into ability groups by streaming or setting.}}

Having the power of compulsion; constraining.