harder

Etymology 1

hard + -er

adj

1. comparative form of hard: more hard
   He is more likely to succeed because he tries harder.
   Steel is harder than copper so we use steel tools to cut copper pipes.
   For companies such as Trans Pennine Express, it will be even harder. It has the unwelcome claim to being Britain's worst train operator, with recent statistics from the Office of Rail and Road showing it cancelled nearly a quarter of its services in February, with lack of available train crew a real problem. April 5 2023, Philip Haigh, “Comment: Pay deal a positive result”, in RAIL, number 980, page 3

Etymology 2

From Afrikaans haarder (“mullet”).

noun

1. Alternative spelling of haarder