Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Budget airlines like Spirit and Frontier offer rock-bottom fares while charging more for basic add-ons like carry-on bags and seat selection.
Source: https://www.mymcmurray.com/2023/07/12/how-behavioral-economics-can-help-you-save-on-airfare/