Dictionary definition · hard
adjective
- not easy; requiring great physical or mental effort to accomplish or comprehend or endure"a difficult task"
- dispassionate"took a hard look"
- resisting weight or pressure
- very strong or vigorous"a hard left to the chin"
- characterized by effort to the point of exhaustion; especially physical effort"worked their arduous way up the mining valley"
- produced without vibration of the vocal cords"unvoiced consonants such as ‘p’ and ‘k’ and ‘s’"
adverb
- with effort or force or vigor"the team played hard"
- with firmness"held hard to the railing"
- earnestly or intently"thought hard about it"
- causing great damage or hardship"industries hit hard by the depression"
- slowly and with difficulty"prejudices die hard"
- indulging excessively"he drank heavily"
Source: Open English WordNet (CC BY 4.0).