not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"
mutability in life or nature (especially successive alternation from one condition to another)
a variation in circumstances or fortune at different times in your life or in the development of something; "the project was subject to the usual vicissitudes of exploratory research"
(film) a gradual transition from one scene to the next; the next scene is gradually superimposed as the former scene fades out
declare void; "The President dissolved the parliament and called for new elections"
come to an end; "Their marriage dissolved"; "The tobacco monopoly broke up"
bring the association of to an end or cause to break up; "The decree officially dissolved the marriage"; "the judge dissolved the tobacco company"
become or cause to become soft or liquid; "The sun melted the ice"; "the ice thawed"; "the ice cream melted"; "The heat melted the wax"; "The giant iceberg dissolved over the years during the global warming phase"; "dethaw the meat"
pass into a solution; "The sugar quickly dissolved in the coffee"
cause to go into a solution; "The recipe says that we should dissolve a cup of sugar in two cups of water"
become weaker; "The sound faded out"
cause to fade away; "dissolve a shot or a picture"
lose control emotionally; "She dissolved into tears when she heard that she had lost all her savings in the pyramid scheme"
cause to lose control emotionally; "The news dissolved her into tears"
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"
requiring more than usually expected or thought due; especially great patience and effort and skill; "found the job very demanding"; "a baby can be so demanding"