niggle
- v worry unnecessarily or excessively
- v argue over petty things
nitrify
- v convert into nitric acid, nitrous acid, or nitrate, especially with the action of nitrobacteria
- v treat with nitrogen or a nitrogen compound
- v treat (soil) with nitrates
nobble
- v deprive of by deceit
- v make off with belongings of others
- v take away to an undisclosed location against their will and usually in order to extract a ransom
- v disable by drugging
nobble the race horses