定てい収しゅう入にゅうていしゅうにゅうFreq.FrequencyTop 100,000Meanings1nounfixed incomeRefers to a regular, stable income that does not fluctuate, such as a salary or pension.定てい収しゅう入にゅうがあると生せい活かつが安あん定ていする。Having a fixed income stabilizes your life.