Invaluable 

Valuable

1. Invaluable is one of the dumbest words in the English language.

2.
Jeb: The paid consultant’s expertise was really invaluable.
Tina: Oh really? That’s a bummer, I thought they would be helpful.
Jeb: Oh they were! Super great, really helpful for our business.
Tina: Oh awesome! So they were valuable?
Jeb: No, they were invaluable.

Invaluable by ZmanIsTheMan3 July 17, 2021

invaluable 

1 Beyond calculable or appraisable value, of extreme and undefinable worth

2 Priceless

3 Having incalculable monetary, intellectual, or spiritual worth

1 You are so invaluable that we wouldn't be able to run this company without you.

2 An invaluable comic book collection.

3 I couldn't ever sell my car, I've done so much to it that it's become invaluable to me.

invaluable by Sweigstock May 22, 2008

invalueless 

A combination of invaluable and valueless. Can mean the opposite of "valueless" or the opposite of "invaluable."

Dude, what you're telling me is invalueless!

invalueless by jbhorn March 7, 2008

infaluable 

Anything that is both infallible and invaluable, especially something that is of great value because it is, or is perceived to be, infallible.

Science is infaluable!

infaluable by Schwenkler November 25, 2022

inhaleable 

able to be inhaled

that is an inhaleable drug you've got there, may i inhale some

inhaleable by sailfish June 29, 2022