Reserve - Vine's Expository Dictionary of New Testament Words
Reserve
[ 1,,G5083, tereo ]to guard, keep, preserve, give heed to," is translated "to reserve,"
(a) with a happy issue, 1 Peter 1:4;
(b) with a retributive issue, 2 Peter 2:4; 2 Peter 2:9, AV (RV, "keep"); 2 Peter 2:17; 2 Peter 3:7; Jude 1:6, AV (RV, "hath kept"); Jude 1:13;
(c) with the possibility either of deliverance or execution, Acts 25:21, AV (RV, "kept"). See KEEP.
Note: In Romans 11:4, AV, kataleipo, "to leave behind, leave remaining," is translated "I have reserved" (RV, "I have left"). See LEAVE.