Definition of try-hard in US English:

try-hard

noun

Australian, British
informal
  • A person who tries very hard; (in later use usually) a person regarded as trying too hard to achieve something, especially popularity or acceptance.

adjective

Australian, British
informal
  • Relating to or designating a person or thing regarded as trying extremely or excessively hard; overeager, overzealous.

Origin

1920s; earliest use found in The Times. From try + hard, after die-hard.

Pronunciation

try-hard

/ˈtrʌɪhɑːd/