Words similar to unsuccessful

Example sentences for: unsuccessful

How can you use “unsuccessful” in a sentence? Here are some example sentences to help you improve your vocabulary:

Perhaps that is what happened with my unsuccessful proposal for a Multiple Entry Reconfigurable Dialogue Editor (“This project stinks”-- Referee A), or my Comprehensive Universal Labelled Database Enumerating System Architecture Concepts (“Will this work lead anywhere?”
The centerpiece--the fighting--goes on for over an hour and features the most frantic and harrowing sequences, chiefly the company's initially unsuccessful frontal assault on a Japanese hilltop bunker.
Essabar's parents were said to have made repeated but unsuccessful efforts to sway him from this lifestyle.
Intelligence report, unsuccessful Bin Ladin probes for contact with Iraq, July 24, 1998; Intelligence report, Saddam Hussein's efforts to repair relations with Saudi government, 2001.
Our repeated attempts to clone the 5' end of the BTBD2 by library screening and the RACE method were unsuccessful.