I stumbled on the right APP
it was mere APP-STANCE

all seasonings are bad for you?
an argument not much  in flavour!

watch what you are doing …
said the TIMEPIECE

Agitated device for measuring time?
AN ALARM CLOCK

A vehicle that can paint an animal?
HORSE-DRAWN CARRIAGE

nervous part of grammar flawless ?
PERFECT TENSE!

subjective teacher of grammar never likes
the object of the exercise

A practical gardener businessman appeals to their GRASSROOTS

One who has never been to court ?
JUST IS JUST AS  JUSTICE WELL

spent too long digging hole in ground for water ?
OH WELL

Healthy people who are rich ?
THE WELL TO DO

I’m completely AT SEA says the clueless sailor