rasp, v. grate, [file]; [offend].
rasping, a. [grating].--n. pl. scobs.
rate, v. [estimate], [value], appraise; assess; [scold], [censure], [chide], [berate], [reprove].
ratification, n. [confirmation], [sanction], [substantiation], corroboration.
ratify, v. [confirm], [sanction], [substantiate], corroborate.
ration, n. [allowance], [portion], [allotment].
rational, a. [reasoning]; [intelligent], [sane], [sound], [judicious], [wise], [reasonable], equitable. Antonyms: irrational, [insane], injudicious, [unwise], [unreasonable].
rationale, n. [explanation], [exposition], [reason].
rattle, v. clatter; chatter, [prate], [babble], prattle; disconcert, [confuse], discompose.
rattle, n. clatter; chatter, [babble], prattle; crepitaculum; rale.