必 - invariably, certain, inevitable

desperately; for one's dear life

must-read; required reading

inevitable; necessary

necessary; needed; essential; indispensable

necessary

necessities; necessary article; requisite; essentials

always; without exception; necessarily; certainly; without fail; positively; invariably

indispensable; essential; requisite; required; compulsory; necessary

inevitable; necessary; certain; sure

essential condition

unnecessary; needless

necessity; need