- nounADJECTIVE▪ careful, close, detailed▪ extensive▪
The authorities conducted an extensive investigation into his tax affairs.▪ full, in-depth, thorough▪ preliminary▪
After conducting preliminary investigations, government lawyers will set out areas of concern.▪ ongoing▪
The ongoing investigation has led to numerous intelligence leads.▪ criminal, homicide (AmE), murder, police▪ congressional, federal, government▪ internal▪
The board of directors commissioned its own internal investigation.▪ independent▪ empirical, scientificVERB + INVESTIGATION▪ carry out, conduct, pursue, undertake▪
Police are still pursuing their investigations.▪ initiate, launch, order▪ call for, demand▪
He called for investigation into the hospital's management.▪ head, lead, oversee▪ complete▪ deserve, merit, require, warrant▪
These claims certainly warrant further investigation.▪ impede, obstruct▪
He was on trial for allegedly obstructing an investigation into the bank's dealings.INVESTIGATION + VERB▪ demonstrate sth, reveal sth, show sth, uncover sth▪
Closer investigation showed a flaw in this theory.▪ conclude, show, suggest▪
An official investigation concluded that 9 000 people were killed or went missing during that period.PREPOSITION▪ on investigation▪
On investigation, the noise turned out to be only a door banging.▪ under investigation▪
The singer is currently under investigation for possessing illegal drugs.▪ investigation into▪
Police have launched an investigation into the allegations.PHRASES▪ the subject of an investigation▪
The matter is the subject of a police investigation, and we cannot comment.
Collocations dictionary. 2013.