happy
adjective
ˈhæpi 
ˈhæpi feeling/giving pleasure
1 feeling or showing pleasure; pleaseda happy smile/faceYou don't look very happy today.happy to do something We are happy to announce the engagement of our daughter.happy for somebody I'm very happy for you.happy (that)… I'm happy (that) you could come.2 giving or causing pleasurea happy marriage/memory/childhoodThe story has a happy ending.Those were the happiest days of my life.at celebration
3 if you wish somebody a Happy Birthday, Happy New Year, etc. you mean that you hope they have a pleasant celebrationsatisfied
4 satisfied that something is good or right; not anxioushappy (with somebody/something) Are you happy with that arrangement?I'm not happy with his work this term.She was happy enough with her performance.happy (about somebody/something) If there's anything you're not happy about, come and ask.I'm not too happy about her living alone.I said I'd go just to keep him happy.willing
5 happy to do something (formal) willing or pleased to do somethingI'm happy to leave it till tomorrow.He will be more than happy to come with us.lucky
6 lucky; successfulSynonym
fortunateBy a happy coincidence, we arrived at exactly the same time.He is in the happy position of never having to worry about money.suitable
7 (formal) (of words, ideas or behaviour) suitable and appropriate for a particular situationThat wasn't the happiest choice of words.happiness ˈhæpinəs ˈhæpinəs Idioms
a happy event
the birth of a baby
a/the happy medium
something that is in the middle between two choices or two ways of doing something
She tried to strike a happy medium between making the questions too hard and making them too easy.not a happy bunny
(British English) (North American English not a happy camper) (informal) not pleased about a situationShe wasn't a happy bunny at all.many happy returns (of the day)
used to wish somebody a happy and pleasant birthday
Usage note: gladhappy pleased delighted proud relieved thrilledThese words all describe people feeling happy about something that has happened or is going to happen.glad [not usually before noun] happy about something or grateful for it: He was glad he'd come. ◇ She was glad when the meeting was over.happy pleased about something nice that you have to do or something that has happened to somebody: We are happy to announce the engagement of our daughter.pleased [not before noun] happy about something that has happened or something that you have to do: She was very pleased with her exam results. ◇ You're coming? I'm so pleased.glad, happy or pleased?Feeling pleased can suggest that you have judged somebody/something and approve of them. Feeling glad can be more about feeling grateful for something. You cannot be ‘glad with somebody’: The boss should be glad with you. Happy can mean glad, pleased or satisfied.delighted very pleased about something; very happy to do something; showing your delight: I'm delighted at your news. Delighted is often used to accept an invitation: ‘Can you stay for dinner?’ ‘I'd be delighted (to).’proud pleased and satisfied about something that you own or have done, or are connected with: proud parents ◇ He was proud of himself for not giving up.relieved feeling happy because something unpleasant has stopped or has not happened; showing this: You'll be relieved to know your jobs are safe.thrilled [not before noun] (rather informal) extremely pleased and excited about something: I was thrilled to be invited.delighted or thrilled?Thrilled may express a stronger feeling than delighted, but delighted can be made stronger with absolutely, more than or only too. Thrilled can be made negative and ironic with not exactly or less than: She was not exactly thrilled at the prospect of looking after her niece.glad/happy/pleased/delighted/relieved/thrilled about somethingpleased/delighted/relieved/thrilled at somethingglad/happy/pleased/delighted/thrilled for somebodyglad/happy/pleased/delighted/proud/relieved/thrilled that…/to see/hear/find/know…very glad/happy/pleased/proud/relievedabsolutely delighted/thrilledUsage note: satisfactionhappiness pride contentment fulfilmentThese are all words for the good feeling that you have when you are happy or when you have achieved something.satisfaction the good feeling that you have when you have achieved something or when something that you wanted to happen does happen: He derived great satisfaction from knowing that his son was happy.happiness the good feeling that you have when you are happy: Money can't buy you happiness.pride a feeling of pleasure or satisfaction that you get when you or people who are connected with you have done something well or own something that other people admire: The sight of her son graduating filled her with pride.contentment (rather formal) a feeling of happiness or satisfaction with what you have: They found contentment in living a simple life.fulfilment a feeling of happiness or satisfaction with what you do or have done: her search for personal fulfilmentsatisfaction, happiness, contentment or fulfilment?You can feel satisfaction at achieving almost anything, small or large; you feel fulfilment when you do something useful and enjoyable with your life. Happiness is the feeling you have when things give you pleasure and can be quite a lively feeling; contentment is a quieter feeling that you get when you have learned to find pleasure in things.satisfaction/happiness/pride/contentment/fulfilment in somethingreal satisfaction/happiness/pride/contentment/fulfilmenttrue satisfaction/happiness/contentment/fulfilmentgreat satisfaction/happiness/pridequiet satisfaction/pride/contentmentto feel satisfaction/happiness/pride/contentmentto bring somebody satisfaction/happiness/pride/contentment/fulfilmentto find satisfaction/happiness/contentment/fulfilmentUsage note: happysatisfied content contented joyful blissfulThese words all describe feeling, showing or giving pleasure or satisfaction.happy feeling, showing or giving pleasure; satisfied with something or not worried about it: a happy marriage/ memory/ childhood ◇ I said I'd go, just to keep him happy.satisfied pleased because you have achieved something or because something has happened as you wanted it to; showing this satisfaction: She's never satisfied with what she's got. ◇ a satisfied smilecontent [not before noun] happy and satisfied with what you have: I'm perfectly content just to lie in the sun.contented happy and comfortable with what you have; showing this: a contented baby ◇ a long contented sighcontent or contented?Being contented depends more on having a comfortable life; being content can depend more on your attitude to your life: you can have to be content or learn to be content. People or animals can be contented but only people can be content.joyful (rather formal) very happy; making people very happyblissful making people very happy; showing this happiness: three blissful weeks awayjoyful or blissful?Joy is a livelier feeling; bliss is more peaceful.happy/satisfied/content/contented with somethinga happy/satisfied/contented/blissful smilea happy/joyful occasion/celebrationto feel happy/satisfied/content/contented/joyfulvery/perfectly/quite happy/satisfied/content/contented