Sticklers are individuals who are extremely particular about specific rules or standards. Synonyms for this word include perfectionists, purists, nitpickers, precisians, and pedants. Perfectionists are individuals who strive for perfection in everything they do, whereas purists believe in maintaining and adhering to traditional standards. Nitpickers are people who focus on minor details and often find faults in even the smallest things. Precisians are individuals who are extremely meticulous and precise in their work or actions, while pedants are people who are overly concerned with academic knowledge and correctness. All these synonyms depict someone who is strict with rules or standards and expects others to follow them as well.