1. comparative form of nitty; containing or infested with nits (lice eggs)
Usage: informal; often used in the phrase 'nitty-gritty'

Examples

• The child's hair was nittier after returning from summer camp.
• We need to get down to the nittier details of the contract.
• His scalp became nittier as the infestation worsened.
• The nittier aspects of the problem required careful attention.