dominant eye　(only applies to 利き目) / efficacy, effectiveness (only applies to 効き目)

to speak / to act as a mediator; to mediate

being ambidextrous

everything

(colloquial) current boyfriend

everyone, one and all

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

one person / singleness, singularity / one's own efforts or strengths / an unmarried person, single

one person

a person, human / an individual / mankind, people / character, personality / an average person / (law); an adult / someone (else)