guru

As a noun guru is

guru.

As nouns the difference between guru and pioneer

is that guru is guru while pioneer is one who goes before, as into the wilderness, preparing the way for others to follow.

As a verb pioneer is

to go before and prepare or open a way for; to act as pioneer.

As a noun guru

is guru.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between guru and ustad

is that guru is guru while ustad is a master, especially of music, in south asia and middle east.

As nouns the difference between preceptor and guru

is that preceptor is the headmaster or principal of a school, especially a private school while guru is guru.

As nouns the difference between guru and wonk

is that guru is guru while wonk is (derogatory) an overly studious person, particularly student; a nerd.

As nouns the difference between guru and scholar

is that guru is a Hindu or Sikh spiritual teacher while scholar is a student; one who studies at school or college.

As nouns the difference between sage and guru

is that sage is a wise person or spiritual teacher; a man or woman of gravity and wisdom, especially, a teacher venerable for years, and of sound judgment and prudence; a grave or stoic philosopher while guru is a Hindu or Sikh spiritual teacher.

As an adjective sage

is wise.

As an interjection sage

is Word used in the email field of to prevent a bump of the post. Used as an option rather than a word in some imageboard software.

As a verb sage

is the act of using the word or option sage in the email field or a checkbox of an when posting a reply.