KEY: Necessary.
SYN: Certain, inevitable, indispensable, requisite, essential,compulsory, needful, expedient.
ANT: Contingent, casual, optional, discretional, unnecessary,unessential, free.

• Birth
• Bit
• Biting
• Bitter
• Bitterness, [See ANTIPATHY]
• Blacken
• Blackguard
• Blamable, [See BLAMELESS]
• Blame
• Blameless
• Blanch
• Bland
• Blandiloquence
• Blandishment
• Blank
• Blasphemy
• Blast
• Blast \v
• Blatant
• Blaze, [See BLAST]
• Blazon
• Bleach
• Bleak
• Blemish
• Blench