This is the 9143rd most frequent Korean word.
거절하거나
"To refuse or reject."
Here, "거절하거나" is used to denote an 'or' option between two actions: rejecting and devising.
그는 나는 그의 제안을 거절하거나 다른 대안을 고안했다고 말했다.
He said I either rejected his proposal or devised an alternative.
In this sentence, "거절하거나" implies a choice of actions related to rejection or refusal.
그녀는 선물을 받지 않을 거라고 말하며 내 제안을 거절하거나 거부했다.
She said she would not accept the gift and either rejected or declined my proposal.
This sentence uses "거절하거나" to indicate a choice between refusing to take the car and walking instead.