Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb enthral
1 sense of enthral                                                      
Sense 1
enchant, enrapture, transport, enthrall, ravish, enthral, delight -- (hold spellbound)
       => please, delight -- (give pleasure to or be pleasing to; "These colors please the senses"; "a pleasing sensation")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb enthrall
1 sense of enthrall                                                     
Sense 1
enchant, enrapture, transport, enthrall, ravish, enthral, delight -- (hold spellbound)
       => please, delight -- (give pleasure to or be pleasing to; "These colors please the senses"; "a pleasing sensation")
Antonyms of adj enthralling
1 sense of enthralling                                                  
Sense 1
bewitching, captivating, enchanting, enthralling, entrancing, fascinating -- (capturing interest as if by a spell; "bewitching smile"; "Roosevelt was a captivating speaker"; "enchanting music"; "an enthralling book"; "antique papers of entrancing design"; "a fascinating woman")
INDIRECT (VIA attractive) -> unattractive -- (lacking beauty or charm; "as unattractive as most mining regions")
Similarity of adj enthralling
1 sense of enthralling                                                  
Sense 1
bewitching, captivating, enchanting, enthralling, entrancing, fascinating -- (capturing interest as if by a spell; "bewitching smile"; "Roosevelt was a captivating speaker"; "enchanting music"; "an enthralling book"; "antique papers of entrancing design"; "a fascinating woman")
       => attractive (vs. unattractive) -- (pleasing to the eye or mind especially through beauty or charm; "a remarkably attractive young man"; "an attractive personality"; "attractive clothes"; "a book with attractive illustrations")
