Given how that turned out, Burke might be leery of potentially repeating the same mistake with Greenblatt.
The business has ground to a standstill as hair suppliers in other parts of Ukraine are leery of coming to the capital.
The medical staff were at first leery of treating her for fear of Ebola.
"untrusting, suspicious, alert," 1718, originally slang, with -y (2), and perhaps from dialectal lere "learning, knowledge" (see lore), or from leer (v.) in some now-obscure sense. OED suggests connection with archaic leer (adj.) "empty, useless," a general Germanic word (cf. German leer, Dutch laar), of unknown origin.
Untrusting; suspicious; wary: He was leery of toting so much money/ Cheyfitz and Farrell exchanged leery glances
[1718+; probably fr British dialect lere, ''learning, knowledge'']