Noun

• S: (n) probe, investigation (an inquiry into unfamiliar or questionable activities) "there was a congressional probe into the scandal"
• direct hyponym / full hyponym
• S: (n) fishing expedition (an investigation undertaken in the hope (but not the stated purpose) of discovering information)
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) probe (a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities)
• S: (n) probe (an exploratory action or expedition)
• S: (n) probe (an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity)

Verb

• S: (v) probe, examine (question or examine thoroughly and closely)
• direct troponym / full troponym
• direct hypernym / inherited hypernym / sister term
• S: (v) investigate, look into (investigate scientifically) "Let's investigate the syntax of Chinese"
• S: (v) research, search, explore (inquire into) "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"
• S: (v) explore (travel to or penetrate into) "explore unknown territory in biology"
• S: (v) probe, examine (question or examine thoroughly and closely)
• S: (v) research (attempt to find out in a systematically and scientific manner) "The student researched the history of that word"
• S: (v) experiment (to conduct a test or investigation) "We are experimenting with the new drug in order to fight this disease"
• derivationally related form
• sentence frame
• S: (v) probe, dig into, poke into (examine physically with or as if with a probe) "probe an anthill"