Petty refers to something trivial, insignificant, or of little importance. It often describes actions, behaviors, or concerns that are small-minded, mean-spirited, or motivated by selfish or trivial reasons.
A Petty person tends to focus on minor details and can be unnecessarily critical or vindictive over insignificant matters.
Essentially, 'petty' describes something not worth dwelling on or getting upset about, indicating a lack of perspective or a disproportionate reaction to a situation.
MERE
MINOR SMALL LOWLY
LITTLE NARROW
TRIVIAL
PICAYUNE TRIFLING FIDDLING FOOTLING NIGGLING PIDDLING PIFFLING
SECONDARY SUBALTERN
SMALLMINDED LILLIPUTIAN JUNIORGRADE
PETITLARCENY PETTYLARCENY LOWERRANKING
NICKELANDDIME INSIGNIFICANT
INCONSEQUENTIAL