口くち先さきだけMeaningsExpressionNo-adjective1. all talk; glib; insincere; empty; speciousKanji used口mouth先before (timewise)Composed of口くち先さきlip service; mere words; professions; lips; mouth; snout; proboscisNounだけonly; just; merely; simply; no more than; nothing but; alone; as much as; to the extent of; enough toParticle