inconstant

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++in·con·stant /ɪnˈkɒnstənt $ -ˈkɑːn-/ adjective literary  UNFAITHFULunfaithful in love or friendship 〔对爱情或友谊〕不忠的，不专一的 —inconstancy noun [uncountable]

Examples from the Corpus

inconstant• Work for children was equally inconstant and low paid.• an inconstant and unreliable friend• Therefore the genre of Troilus and Cressida is as inconstant as the characters it describes.• But this is one pledge I hope an inconstant Clinton will keep.• Derry's achilles heel so far in the current campaign has been a lacklustre, inconstant midfield.• The principles apply equally to inconstant traits, but are more clumsy to express.• Time passed faster in the warp than in the real universe, but was also inconstant, unpredictable.• inconstant winds

in·con·stant adjectiveChineseSyllable  

Corpus love or friendship in unfaithful

inconstant
in‧con‧stant /ɪnˈkɒnstənt $ -ˈkɑːn-/ adjective literary
unfaithful in love or friendship
—inconstancy noun [uncountable]

in·con·stantBrE /ɪnˈkɒnstənt/ 🔊NAmE /ɪnˈkɑːnstənt/ 🔊 adjective (formal) not faithful in love or friendship （对爱情或友情）不忠的，不专一的 SYN fickle that frequently changes 不稳定的；经常变换的 OPP constant ▸ in·con·stancy AW BrE /ɪnˈkɒnstənsi/ 🔊NAmE /ɪnˈkɑːnstənsi/ 🔊 noun [uncountable]