To hinder or thwart.
To cause stress or annoyance.
To disappoint or defeat; to vex by depriving of something expected or desired.
ineffectual; useless; fruitless.
To impede, retard, or interfere with; hinder.
To get in the way of so as to hide from sight.
To block or fill (a passage) with obstacles or an obstacle. See synonyms at block.