Petty

ме́лкий

mélkij

(of persons or their behaviour: marked by or reflective of undesirably limited interests, sympathies, or views; preoccupied with subjects having little or no importance and not mindful of broader concerns)

мелочный

meločnyj

(of persons or their behaviour: marked by or reflective of undesirably limited interests, sympathies, or views; preoccupied with subjects having little or no importance and not mindful of broader concerns)

пустячный

pustjačnyj

(of persons or their behaviour: marked by or reflective of undesirably limited interests, sympathies, or views; preoccupied with subjects having little or no importance and not mindful of broader concerns)