throw in the towel vs drop by the wayside

throw in the towel and drop by the wayside both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw in the towel	No	No	Yes	No
drop by the wayside	No	No	Yes	No

As verbs, throw in the towel and drop by the wayside are synonyms defined as:

throw in the towel and drop by the wayside: give up in the face of defeat of lacking hope; admit defeat

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

throw in the towel (verb)	drop by the wayside (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