vexation, annoyance, chafe - anger produced by some annoying irritation

feeling - the experiencing of affective and emotional states; "she had a feeling of euphoria"; "he had terrible feelings of guilt"; "I disliked him and the feeling was mutual"

sulk, sulkiness - a mood or display of sullen aloofness or withdrawal; "stayed home in a sulk"

amiability, good humor, good humour, good temper - a cheerful and agreeable mood

ill humor, ill humour, distemper - an angry and disagreeable mood

ill nature - a disagreeable, irritable, or malevolent disposition

querulousness - the quality of being given to complaining

elasticity, snap - the tendency of a body to return to its original shape after it has been stretched or compressed; "the waistband had lost its snap"

toughen - make tough or tougher; "This experience will toughen her"

modify - make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"

adjust, correct, set - alter or regulate so as to achieve accuracy or conform to a standard; "Adjust the clock, please"; "correct the alignment of the front wheels"

weaken - lessen the strength of; "The fever weakened his body"

alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"