próżny meaning in English

bragger▼noun
person who brags

complacent▼adjective
uncritically satisfied with oneself or one's achievements

empty▼adjective
devoid of content

fruitless▼adjective
unproductive; useless

idle▼adjective
not engaged in any occupation or employment

vacuous▼adjective
lacking meaningful content

vain▼adjective
overly proud of one's appearance

fool's errand▼noun
foolish undertaking