Added 9 October 2026 esp noun ▶ hear it Categories: LanguageUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about esp at Wordnik → Where our words come from → Apparent power to perceive things that are not present to the senses. Related Words: clairvoyanceepcesrgspnepsfppsecesrspsrp Back to today's word