Meaning: An influential teacher or popular expert.
Examples of guru in a sentence: He's considered the tech guru in our office because he can solve any computer problem.
Synonyms: Expert, mentor, master, sage
Antonyms: Novice, beginner, learner, neophyte
Interesting fact about guru: Did you know that the word guru originated from Sanskrit guru ‘weighty, grave’ referring to an elder or teacher. It has been widely adopted in other languages as well and is a way to say teacher in the Indonesian and Malay language.