something that causes or entails suffering; "I cannot think it a hardship that more indulgence is allowed to men than to women"- James Boswell; "the many hardships of frontier life"
the occurrence of incoming water (between a low tide and the following high tide); "a tide in the affairs of men which, taken at the flood, leads on to fortune" -Shakespeare
marked by courage and determination in the face of difficulties or danger; robust and uninhibited; "you have to admire her; it was a gutsy thing to do"; "the gutsy...intensity of her musical involvement"-Judith Crist; "a gutsy red wine"
requiring effort or concentration; complex and not easy to answer or solve; "raised serious objections to the proposal"; "the plan has a serious flaw"
of great consequence; "marriage is a serious matter"
concerned with work or important matters rather than play or trivialities; "a serious student of history"; "a serious attempt to learn to ski"; "gave me a serious look"; "a serious young man"; "are you serious or joking?"; "Don't be so serious!"
being or occurring at an advanced period of time or after a usual or expected time; "late evening"; "late 18th century"; "a late movie"; "took a late flight"; "had a late breakfast"
at or toward an end or late period or stage of development; "the late phase of feudalism"; "a later symptom of the disease"; "later medical science could have saved the child"
of a later stage in the development of a language or literature; used especially of dead languages; "Late Greek"
later than usual or than expected; "the train arrived late"; "we awoke late"; "the children came late to school"; "notice came so tardily that we almost missed the deadline"; "I belatedly wished her a happy birthday"
at an advanced age or stage; "she married late"; "undertook the project late in her career"
a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
a torpid state resembling deep sleep
a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"
be asleep
be able to accommodate for sleeping; "This tent sleeps six people"
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"