42.101

serious often constitutes intricate

intricate system

political intricacies

intricately designed

serious implies it being sophisticated

sophisticated technology

sophisticated system

sophisticated woman

business sophistication

level of sophistication

degree of sophistication

42.102

serious supposes it to be essential

essential is fundamental

essential oils

essential requirements

essential part

essential services

essential employees

the very essence of the universal theory

42.103

serious represents it as intense

intense competition

intense focus

intense discussions

intense scrutiny

42.104

serious identifies it as sincere

sincere interest

sincere desire

sincerity of effort

sincere apology

42.105

very serious

really serious

extremely serious

seriously extreme

particularly serious

extraordinarily serious

seriously extraordinary

Audio Credits: NASA, kennysvoice