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"
a statement that is assumed to be true and from which a conclusion can be drawn; "on the assumption that he has been injured we can infer that he will not to play"
take something as preexisting and given
set forth beforehand, often as an explanation; "He premised these remarks so that his readers might understand"
lacking excess flesh; "you can't be too rich or too thin"; "Yon Cassius has a lean and hungry look"-Shakespeare
(of sound) lacking resonance or volume; "a thin feeble cry"
lacking spirit or sincere effort; "a thin smile"
of relatively small extent from one surface to the opposite or in cross section; "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint"
relatively thin in consistency or low in density; not viscous; "air is thin at high altitudes"; "a thin soup"; "skimmed milk is much thinner than whole milk"; "thin oil"
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"
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"
an intuitive understanding of something; "he had a great feeling for music"
a physical sensation that you experience; "he had a queasy feeling"; "I had a strange feeling in my leg"; "he lost all feeling in his arm"