guru

The word “guru” means a spiritual teacher, especially in Hindu or Sikh tradition, who guides a student. In plain terms, originally a spiritual teacher, now widely used for any recognised expert or mentor.

“Guru” is pronounced GUU-roo (/ˈɡʊɹ(ˌ)u/ in IPA).

Here is “guru” used in a sentence: “He travelled to India to study under a respected guru.”

“Guru” is a noun.

The word “guru” comes from Sanskrit. From Hindi/Sanskrit गुरु (guru), meaning "venerable" or "weighty" — the same root gives English the word "grave" (serious).

“Guru” is an uncommon word in modern English.

“Guru” has 2 distinct senses listed in this dictionary. The most common is: a spiritual teacher, especially in Hindu or Sikh tradition, who guides a student.

A guru is an acknowledged expert or trusted advisor in a particular field, often implying a level of respect or authority beyond ordinary expertise. An expert simply denotes high skill or knowledge, while guru carries a stronger connotation of being looked to for guidance, echoing its origin as a term for a spiritual teacher.

Guru is often used informally in modern English, especially in phrases like "tech guru" or "marketing guru" to describe a trusted expert. Its original sense, referring to a spiritual teacher in Hindu or Sikh tradition, remains a formal and respectful term within that religious context.

Yes, guru is sometimes used with light sarcasm or skepticism to describe someone who claims expertise without necessarily having earned it, such as a "self-proclaimed guru." This informal usage plays on the word's association with authority and trusted advice.