Perfect

безукори́зненный

bezukoríznennyj

(fitting its definition precisely)

безукори́зненный

bezukoríznennyj

(having all of its parts in harmony with a common purpose)

безукори́зненный

bezukoríznennyj

(without fault or mistake)

безупре́чный

bezupréčnyj

(fitting its definition precisely)

безупре́чный

bezupréčnyj

(having all of its parts in harmony with a common purpose)

безупре́чный

bezupréčnyj

(without fault or mistake)

идеа́льный

ideálʹnyj

(fitting its definition precisely)

идеа́льный

ideálʹnyj

(having all of its parts in harmony with a common purpose)

соверше́нный

soveršénnyj

(fitting its definition precisely)

соверше́нный

soveršénnyj

(having all of its parts in harmony with a common purpose)

соверше́нный

soveršénnyj

(grammar: of a tense or verb form: representing a completed action)

соверше́нствовать

soveršénstvovatʹ

(make perfect)

усоверше́нствовать

usoveršénstvovatʹ

(make perfect)