| CONCEITFUL | • conceitful adj. Imaginative, clever. • CONCEITFUL adj. (Spenser) thoughtful. |
| DELIGHTFUL | • delightful adj. Pleasant; pleasing, bringing enjoyment, satisfaction, or pleasure. • DELIGHTFUL adj. full of delight. |
| DISGUSTFUL | • disgustful adj. (Archaic) disgusting, vile. • disgustful adj. Full of disgust. • DISGUSTFUL adj. provoking disgust. |
| INSIGHTFUL | • insightful adj. Possessing insight. • INSIGHTFUL adj. exhibiting or characterized by insight. |
| NEGLECTFUL | • neglectful adj. Tending to neglect; failing to take care of matters which require attention. • NEGLECTFUL adj. full of neglect. |
| RESPECTFUL | • respectful adj. Marked or characterized by respect. • RESPECTFUL adj. marked by or showing respect. |
| SPRIGHTFUL | • sprightful adj. Sprightly; spirited; lively; animated. • SPRIGHTFUL adj. (obsolete) full of spirit or of life. |
| SUSPECTFUL | • suspectful adj. (Now rare) Mistrustful, suspicious. • SUSPECTFUL adj. apt to suspect or mistrust. |
| THOUGHTFUL | • thoughtful adj. Demonstrating thought or careful consideration. • thoughtful adj. Demonstrating kindness or consideration for others. • THOUGHTFUL adj. absorbed in thought. |
| UNBOASTFUL | • unboastful adj. Not boastful. • UNBOASTFUL adj. not boastful. |
| UNDOUBTFUL | • undoubtful adj. Not doubtful. • UNDOUBTFUL adj. not doubtful. |
| UNEVENTFUL | • uneventful adj. Monotonous; lacking significant or noteworthy events. • UNEVENTFUL adj. marked by no noteworthy or untoward incidents. |
| UNFRUITFUL | • unfruitful adj. (Chiefly figurative) Not bearing fruit. • UNFRUITFUL adj. not fruitful. |
| UNRIGHTFUL | • unrightful adj. Not rightful. • UNRIGHTFUL adj. not rightful. |
| UNTRUSTFUL | • untrustful adj. Not trustful. • UNTRUSTFUL adj. not trustful or trusting. |
| WANRESTFUL | • wanrestful adj. (Dialectal, chiefly Scotland) Restless; uneasy. • WANRESTFUL adj. (Scots) restless. |