| afebrile | (adjective) having no fever | - |
|---|
| febrile | (adjective) of or relating to or characterized by fever | Synonyms: feverish |
|---|
| puerile | (adjective) of or characteristic of a child | - |
|---|
| (adjective) displaying or suggesting a lack of maturity | Synonyms: adolescent, jejune, juvenile |
| sterile | (adjective) incapable of reproducing | Synonyms: infertile, unfertile |
|---|
| (adjective) free of or using methods to keep free of pathological microorganisms | Synonyms: aseptic |
| (adjective) deficient in originality or creativity; lacking powers of invention | Synonyms: unimaginative, uninspired, uninventive |
| virile | (adjective) (of a male) capable of copulation | Synonyms: potent |
|---|
| (adjective) characteristic of a man | Synonyms: male, manful, manlike, manly |
| (adjective) characterized by energy and vigor | - |