[adjective] -ier, -iest [disapproving] - (of eyes) small and bright, esp. like a bird's eyesHis beady little eyes were fixed on the money I held out.She's always got her beady eyes on what I'm doing (= She watches me closely).
BEADY
Meaning of BEADY in English
Cambridge English vocab. Кембриджский английский словарь. 2012