taru-adjective, adverb taking the 'to' particle
obedient; submissive; tame; slavish
Describes a person who complies without resistance, often with a negative connotation of being too meek or servile. Used as a たる adjective or adverbially with と. Often appears in the compound 唯々諾々 (いいだくだく).
See also: 唯々諾々
彼は上司の命令に諾々と従った。
He obediently followed his boss's orders.
唯々諾々として言いなりになるのはよく
It's not good to be completely submissive and do whatever you're told.
Reduplication of 諾 (consent, agreement), emphasizing repeated or complete compliance. The exact historical derivation is uncertain.