retiring, a. [diffident], [shy], [coy], [shrinking], [reserved], [modest].
retract, v. [recant], rescind, [recall], disavow.
retraction, n. [recantation], rescission, disavowal.
retreat, n. [retirement], [withdrawal]; [refuge], [asylum], [seclusion], [privacy], [fastness].
retreat, v. [retire], [withdraw], recede.
retrench, v. [curtail], [lessen], [diminish], [abridge]; [limit], [confine].
retrenchment, n. [diminution], curtailment, [abridgment], [lessening].
retribution, n. [retaliation], [repayment], [requital].
retrograde, v. retrocede, recede, [decline], [deteriorate].
retrogression, n. retrogradation, [decline], regression, [deterioration].