What word means something is hard to detect

Adjust alter or regulate so as to conform to a standardHard to locate in short supply too little adj.This word is one where the positive version did exist but has fallen out of use.The methodology used by x to derive y from z is obscure.In this sentence is an example, the noun phrase is this sentence. for the second, it's this boring sentence. once a noun.

You could use the word opaque.this doesn't quite address whether it was written this way purposely, however.What is another word for difficult to read?Make a go of something.There is also a type of flowering land plants that are called anemones.I found the english test extremely hard.

You don't pronounce the letter c in this word, so you may forget to include it when spelling.Contexts very uncommon or scarce hidden from view in an isolated or remote location limited or insufficient in quantity … more adjective very uncommon or scarce rare uncommon atypical exceptional unusual scant scarce negligible meagre uk scattered insufficient sporadic straggling inconsequential