| AISLELESS | • aisleless adj. Without an aisle. • AISLELESS adj. without an aisle. | 
| ILLNESSES | • illnesses n. Plural of illness. • ILLNESS n. sickness. | 
| ISOSCELES | • isosceles adj. (Geometry) Having (at least) two sides of equal length, used especially of a triangle or trapezoid. • ISOSCELES n. a triangle with two equal sides. | 
| ISSUELESS | • issueless adj. Without issue (children). • issueless adj. Without an issue (point in debate or controversy). • ISSUELESS adj. having no issue or progeny; childless. | 
| LIONESSES | • lionesses n. Plural of lioness. • Lionesses n. Plural of Lioness. • LIONESS n. a female lion. | 
| NOISELESS | • noiseless adj. Producing no noise; without noise. • NOISELESS adj. without noise. | 
| SELENOSIS | • selenosis n. Selenium poisoning, especially of livestock, by selenium naturally occurring in plants and the soil. • SELENOSIS n. selenium poisoning. | 
| SENSIBLES | • sensibles n. Plural of sensible. • SENSIBLE n. something that can be sensed. | 
| SHINELESS | • shineless adj. Without any shine; dull. • SHINELESS adj. without shine. | 
| SIMPLESSE | • SIMPLESSE n. (Spenser) simplicity. | 
| SINEWLESS | • sinewless adj. Having no sinews. • sinewless adj. Lacking strength or vigour. • SINEWLESS adj. having no sinews; hence, having no strength or vigor. | 
| SMILELESS | • smileless adj. Without a smile, unsmiling. • SMILELESS adj. not having a smile. | 
| SOLECISES | • solecises v. Third-person singular simple present indicative form of solecise. • SOLECISE v. to use an ungrammatical combination of words, also SOLECIZE. | 
| SPICELESS | • spiceless adj. Devoid of spice. • SPICELESS adj. without spices. | 
| SPINELESS | • spineless adj. Having no spines, prickles, or thorns. • spineless adj. Having no spinal column. • spineless adj. Cowardly, uncourageous; lacking character. | 
| SPIRELESS | • spireless adj. Without a spire. • SPIRELESS adj. without a spire. |