invaluable
[adjective]
Synonyms: precious, inestimable, priceless, valuable, worth one's or its weight in gold

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Antonyms: worthless

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English Thesaurus: useful, handy, helpful, of use, worthwhile, ...

[TahlilGaran] English Synonym Dictionary ▲

in‧val‧u‧a‧ble /ɪnˈvæljuəbəl, -jəbəl $ -ˈvæljəbəl/ adjective
[Word Family: noun: valuables, value, values, valuation, valuer, overvaluation ≠ UNDERVALUATION, devaluation; adjective: valuable, invaluable, overvalued ≠ UNDERVALUED, valueless, valued; verb: value, devalue, overvalue ≠ undervalue]
extremely useful
invaluable to/for
Your advice has been invaluable to us.
invaluable in/for (doing) something
This help was invaluable in focussing my ideas.
The internet is an invaluable source of information.

[TahlilGaran] Dictionary of Contemporary English ▲

invaluable
adj.
VERBS be, prove | become | remain | make sb/sth His knowledge of the area made him invaluable.
find sth You will find their help absolutely invaluable.
ADV. absolutely, quite
PREP. for This technology is invaluable for pupils with poor sight.
to Your support has been invaluable to us.

[TahlilGaran] Collocations Dictionary ▲

useful something that is useful makes it easier for you to do something:
He gave me some useful advice.
a useful thing to know
handy informal useful – used especially about something that is convenient and easy to use:
a handy little booklet
The book is full of handy hints.
I always keep old jars – you never know when they might come in handy (=be useful).
helpful useful because it helps you to do something:
This drug can be helpful in treating depression.
helpful advice
helpful suggestions
of use [not before noun] if someone or something is of use, they are useful for you when you are doing something:
I hope you’ll find the book of use.
He wants to be of use.
worthwhile if doing something is worthwhile, it is useful for you and you benefit from doing it:
The training was certainly worthwhile.
a worthwhile experience
It is worthwhile to start by asking ourselves why people get involved in crime.
valuable very useful in helping you do something:
His information was very valuable to the police.
The course was a valuable experience for me.
a valuable contribution
invaluable extremely useful in helping you do something:
His help was invaluable.
The drug could be invaluable for treating cancer patients.
an invaluable experience
indispensable someone or something that is indispensable is so useful and important that you cannot do something without them:
For walkers, a good compass is indispensable.
He became an indispensable part of the team.
an indispensable guide to travelling in Italy
be great for something informal to be very useful for doing something:
The bag is great for taking on holiday.

[TahlilGaran] English Thesaurus ▲