Here are the possible solutions for beer's heavier cousin clue
Answer
Clue
Relevancy
ale
Clue
Beer's heavier cousin
Bud's heavier relative?
Definition
a kind of beer, made without using hops as a flavouring, also YILL
epee
Clue
Foil's heavier cousin
It's heavier than a foil
Definition
(French) a sword similar to the foil but with a larger guard and a heavier blade of triangular cross section
aerodyne
Clue
Heavier-than-air craft
Definition
a heavier-than-air aircraft (as an airplane, helicopter, or glider), as opposed to aerostat
boldcourageous
Clue
Intrepid [Editor's note: This clue appears in heavier type (without the asterisks) in the print version of the puzzle. AcrossLite can't handle that, so just imaging that it's written in darker type.]