Entry 3 senses Webster, 1913 Subjected /səb-jĕktʹĭd/ · Sub·ject·ed · IPA /səbˈd͡ʒɛktɪd/ 01 a. Subjacent. 1. Subjacent.[Obs.] 2. Reduced to subjection; brought under the dominion of another. 3. Exposed; liable; subject; obnoxious.