Here are the possible solutions for high level fed clue
Answer
Clue
Relevancy
czar
Clue
High-level Fed
Definition
(Russian) an emperor or king, also TSAR, TZAR, KSAR
ozone
Clue
Low-level pollution or high-level protection
Definition
an allotropic form of oxygen present in the atmosphere
apbio
Clue
High-level high school science class, briefly
ptomaineconcourse
Clue
Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig
rank
Clue
Class, level or class level
Definition
disagreeable in odour or taste
tier
Clue
Management level or theater level
hedgefund
Clue
Investment company using high-risk techniques — he fed dung (anag)