41. Among the synonyms of F, the synonym of “Frivolous” is ___.

• foolish
• serious
• miser
• short tempered

Frivolous means lacking seriousness or sense. Foolish means showing lack of good sense or judgment. Both suggest silliness or lack of seriousness, so they are synonyms.

42. Among the synonyms starting with F, the synonym of “Frugality” is:

• extravagance
• ripening
• thrift
• resentment

Frugality means the quality of being economical with resources. Thrift means careful management of money or resources. Both describe saving and avoiding waste, hence synonyms.

43. Among the synonyms of F, the synonym of “Frustration” is _____.

• satiety
• facility
• thwarting
• nostalgia

Frustration means the feeling of being upset due to failure. Thwarting means preventing someone from accomplishing something. Both relate to blocking success, so they are synonyms.

44. Among the synonyms of F, the synonym of “Functionary” is ____.

• an official
• an architect
• an administrator
• an engineer

Functionary means a person who performs official duties. An official is a person holding a position of authority or duty. Both describe someone serving in an official role, so they are synonyms.

45. Among the synonyms of F, the synonym of “Futility” is _____.

• uselessness
• prudence
• profitability
• unclear

Futility means pointlessness or ineffectiveness. Uselessness means having no practical purpose. Both mean lacking effectiveness, so they are synonyms.