Hard flying Synonyms

Hard replaced

Definitions for Hard

(adjective) having or showing a lack of sympathy or tender feelings
(adjective) requiring considerable physical or mental effort
(adjective) able to withstand hardship, strain, or exposure

HF abbreviation

HF is an abbreviation for Hard Flying

What does HF stand for?

HF stands for "Hard Flying"

Flying replaced

Definitions for Flying

(adjective) acting or done with excessive or careless speed
(adjective) moving, proceeding, or acting with great speed
(noun) travel through the air by the use of wings