1. Enough; equal to the end proposed; adequate to need; qualified; competent. Sufficient reason, the principle that nothing exists without a reason why it should be so rather than otherwise. See Suffice.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• suffciant,
• suficient,
• sufficint,
• sufficeient,
• suficiant,
• suffeciant,
• suffcient,
• sufficientt,
• suffficient,
• sufficicent,
• suffecent,
• suffisiant,
• sufficion,
• suffiient,
• fficient,
• suffecient,
• suuficient,
• sufficiient,
• saficient,
• sufficant

• sufficiently,
• sufficiency.

The adjective form of the word "sufficient" is "sufficient".

The plural form of the word "sufficient" is "sufficients"

The singular form of the word "sufficient" is "sufficiency"