11-letter words
ending in NESS.

Having no goal or purpose.

Feeling sick while flying in an aircraft.

Being amazing or impressive.

Being clumsy; feeling embarrassed.

Being shy.

Being hard but easy to break.

Taking care to avoid mistakes or danger.

Feeling sick while travelling in a car.

Keeping yourself and things clean.

Being right with no mistakes.

Being firm and making a crunching noise.

Always doing what you should.

Being very serious and sincere.

Being afraid.

Being silly or unwise.

Stopping being angry with someone who did wrong.

Being full of delight.

Acting as if you are better than others.

Being healthy.

Being ready to help.

Feeling that things will turn out well.

Being unkind in a way that upsets people.

Not obeying any laws.

Paying calm attention to the present moment.

Behaving badly.

Feeling worried or easily frightened.

Empty space; being nothing at all.

Being neat and well organised.

Being painful.

Being full of fun.

Having prickles; being easily annoyed.

Being calm and peaceful.

Looking untidy and dirty.

Feeling sick on a boat or ship.

Caring only about yourself.

Being serious; being important or worrying.

Not being deep.

Being thin in a graceful way.

Being bouncy.

Being soft and easy to squash.

Being unusual or odd.

Being fashionable and smart.

Being careful not to upset people.

Crying or about to cry.

Needing a drink.

Being careful with money.

Feeling sad.

Having bad luck.

Standing straight; being honest and good.

Having no use.

Being awake; being unable to sleep.

Having lots of money.

Being happy and ready to do something.

A gentle sad longing for something.