Gutless

Tom is a gutless, spineless, gormless, underachieving twat.

The Spaniards of the past were courageous and Christian. The ones of today are gutless and godless.

This approach was firstly used in a metagenomic context to study the microbial community associated with the gutless worm Olavius algarvensis.

No, you lied to me. You lied to me because you're gutless. You're a gutless drunken loser.