unfailingun‧fail‧ing /ʌnˈfeɪlɪŋ/ adjective 
I’d like to thank you all for your unfailing support. She battled against cancer with unfailing good humour.—unfailingly adverb: The staff are unfailingly polite.
EXAMPLES FROM OTHER DICTIONARIES
- Peter's unfailing humour made him popular with his fellow workers.
- Her support in the last two months has been unfailing.
- It was a well-proportioned house, Lissa decided, the lines drawn with an unfailing eye for symmetry and beauty.
- Lloyd George, in particular, was an unfailing source of repellent fascination to him.
- The only unfailing rule is, if they seem so, they can't be.
- This is the unfailing attitude of the mind to all its problems. despite all its own beliefs to the contrary.
Longman Language Activatorhappening all the time, without stopping or changing
all the time without changing: · The temperature of the lake is always below fifty-five degrees.· Ron is always in a bad mood in the morning.· Our upstairs neighbor always keeps to himself. We hardly know him at all.
· Gabrielle talks about her kids all the time.· The couple upstairs argue all the time.· I don't have to wear my glasses all the time - just for reading.
all the time while something is happening - use this about something annoying or surprising: · He talked about himself the whole time I was with him.· We realized that Duncan had been standing there the whole time.
all the time - used especially in official notices and rules: · Carry your passport with you at all times.· Keep your hotel door locked at all times.
all the time, continuously: · Shelly constantly tries to impress her boss.· She constantly criticizes my cooking.
all the time and never likely to change: · Hardy was permanently banned from professional figure skating.· It's such a dangerous neighborhood that the windows of some stores are permanently barricaded.
: perennial problem/concern/struggle etc one which people are concerned with all the time, and have been concerned with for a long time: · High unemployment rates are a perennial problem in several European countries.· Severe and unpredictable weather is a perennial danger for mountain climbers.
: unfailing support/loyalty/good humour etc support, loyalty etc that you can depend on because it never changes or grows weaker even when there is trouble or difficulty: · I'd like to thank you all for your unfailing love and support.· Peter's unfailing humour made him popular with his fellow workers.
happening or done all the time without stopping, in a way that is very annoying: · Julia became irritated by the child's incessant talking.· The incessant buzz of conversation filled the student cafeteria.
every day for a long time - use this especially to say that someone keeps doing something difficult, tiring, or boring for a long time, or that something keeps happening for a long time: · Henry did the same thing, day in and day out, for over thirty years.· Investigators are working day in, day out to determine the cause of the crash.
spoken said in order to emphasize that something happens all the time, especially something that is annoying: · It seems like we've been going to meetings morning, noon, and night lately.
informal all the time without stopping: · We're here to help you 24/7.· The deadline is next week, so everyone in the office is working 24/7.
COLLOCATIONS FROM THE ENTRY I’d like to thank you all for your unfailing support. She battled against cancer with unfailing good humour.
I’d like to thank you all for your unfailing support. She battled against cancer with unfailing good humour.WORD FAMILYnounfailfailurefailingadjectivefailedunfailingverbfailadverbunfaillingly
always there, even in times of difficulty or troubleunfailing help/support etc I’d like to thank you all for your unfailing support. She battled against cancer with unfailing good humour.—unfailingly adverb: The staff are unfailingly polite.