- Compulsory
- Inescapable
- Inevitable
- Necessary
- Not avoidable; incapable of being shunned or
prevented; inevitable; necessary; as, unavoidable troubles.
- Not voidable; incapable of being made null or void.
- Born and died ... ignore middle bit as required
- Had (to)
- Half the news and two editors required
- It’s necessary Ned rings Dee back
- Lacking called for
- Necessary
- Required
- Absolutely necessary
- Crucial
- Fundamental
- Inherent
- Linchpin
- Must-have
- Necessary
- Necessary
- Full of need; in need or want; needy; distressing.
- Necessary for supply or relief; requisite.
- Bring into play
- Entangle
- Implicate
- Include as a necessary part
- Make necessary
- Necessarily entail
- Necessitate