| AMBIGUOUS | • ambiguous adj. Open to multiple interpretations. • ambiguous adj. (Obsolete, of persons) Hesitant; uncertain; not taking sides. • AMBIGUOUS adj. open to more than one interpretation. |
| ASSIDUOUS | • assiduous adj. Hard-working, diligent or regular (in attendance or work); industrious. • ASSIDUOUS adj. diligent; persistent. |
| CONGRUOUS | • congruous adj. Corresponding in character. • congruous adj. Harmonious. • CONGRUOUS adj. harmonious, concordant. |
| DECIDUOUS | • deciduous adj. (Biology, anatomy) Describing a part that falls off, or is shed, at a particular time or stage of development. • deciduous adj. (Botany) Of or pertaining to trees which lose their leaves in winter or the dry season. • deciduous adj. Transitory, ephemeral, not lasting. |
| DIVIDUOUS | • dividuous adj. Divided; dividual. • DIVIDUOUS adj. divided; special. |
| FRUCTUOUS | • fructuous adj. (Rare) fruitful. • FRUCTUOUS adj. fruitful. |
| IMPETUOUS | • impetuous adj. Making arbitrary decisions, especially in an impulsive and forceful manner. • impetuous adj. Characterized by sudden violence or vehemence. • IMPETUOUS adj. tending to act in a rash or impulsive manner. |
| INGENUOUS | • ingenuous adj. Naive and trusting. • ingenuous adj. Demonstrating childlike simplicity. • ingenuous adj. Unsophisticated; clumsy or obvious. |
| INNOCUOUS | • innocuous adj. Harmless; producing no ill effect. • innocuous adj. Inoffensive; unprovocative; unexceptionable. • INNOCUOUS adj. harmless. |
| IRRIGUOUS | • irriguous adj. (Archaic, poetic) Irrigated, well-watered. • IRRIGUOUS adj. watered; wet; irrigating. |
| RESIDUOUS | • residuous adj. (Archaic) Remaining; residual. • RESIDUOUS adj. remaining, also RESIDUAL. |
| SILIQUOUS | • siliquous adj. Siliquose. • SILIQUOUS adj. relating to a siliqua, a type of dry fruit consisting of a long pod of two carpels divided by a partition, also SILIQUOSE. |
| STRENUOUS | • strenuous adj. Having great vigour or energy; forceful. • strenuous adj. (Of a task) Requiring great exertion; very laborious. • STRENUOUS adj. requiring great exertion. |
| SUMPTUOUS | • sumptuous adj. Magnificent, luxurious, splendid. • SUMPTUOUS adj. luxurious. |
| THEFTUOUS | • theftuous adj. Of the nature of theft; thievish. • THEFTUOUS adj. thievish. |