fall by the wayside vs chuck up the sponge

fall by the wayside and chuck up the sponge both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall by the wayside	No	No	Yes	No
chuck up the sponge	No	No	Yes	No

As verbs, fall by the wayside and chuck up the sponge are synonyms defined as:

fall by the wayside and chuck up the sponge: give up in the face of defeat of lacking hope; admit defeat

Other synonyms of fall by the wayside include drop by the wayside, drop out, give up, quit, throw in, throw in the towel.

fall by the wayside (verb)	chuck up the sponge (verb)
give up in the face of defeat of lacking hope; admit defeat	give up in the face of defeat of lacking hope; admit defeat