Synonyms of investigate

investigate

verb

in-ˈve-stə-ˌgāt 

as in to explore

to search through or into

experts investigating new ways of dealing with the problem

Synonyms & Similar Words

• explore
• examine
• research
• look (into)
• inquire (into)
• probe
• inspect
• delve (into)
• study
• dig (into)
• check up on
• scan
• check into
• view
• sift
• peruse
• thumb (through)
• skim (through)
• browse
• reinvestigate
• surf
• cruise

Example Sentences

Recent Examples of investigate

If entire branches are dying or needles at the ends of branches begin to die, there could be another issue impacting the tree that’s worth investigating. — Tim Johnson, Chicago Tribune, 7 Nov. 2026

Child Advocate Christina Ghio, whose office investigates suspicious child deaths, echoed Brancato’s call for vigilance. — Laura Tillman, Hartford Courant, 7 Nov. 2026

She was subsequently diagnosed with PCOS [now referred to as PMOS, or polyendocrine metabolic ovarian syndrome], and doctors were also investigating the possibility of endometriosis. — Kamala Thiagarajan, NPR, 7 Nov. 2026

Police said the shootings are being investigated as a double murder. — Rocco Parascandola, New York Daily News, 6 Nov. 2026