Synonym of more buttoned up

colder cooler drier frostier unfriendlier silenter quieter dumber chillier frigider muter haughtier stiffer austerer shier uppitier clammier icier stuffier brittler closer darker prouder snootier uptighter winterier wintrier stiller thicker-skinned loftier starchier rigider shorter curter stolider staider deeper spacier cagier slier coyer ruder mopier stonier unkinder primmer milder gentler placider peacefuller timider meeker sterner terser severer hatefuller unhappier soberer flintier steelier mousier number fiercer harder lonelier brusquer ungainlier impoliter grouchier more conservative more aloof more antisocial more asocial more detached more distant more offish more remote more standoffish more unbending more unclubbable more unsociable more reserved more uncommunicative more withdrawn more unforthcoming more reticent more taciturn more indifferent more unresponsive more tight-lipped more unapproachable more closemouthed more impersonal more tongue-tied more unemotional more formal more secretive more undemonstrative more wordless more unconcerned more unsympathetic more incurious more forbidding more unfeeling more dispassionate more laconic more apathetic more private more uninterested more introverted more unspeaking more untalkative more mumchance more restrained more hushed more unwelcoming more inhospitable more unenthusiastic more uncordial more guarded more misanthropic more supercilious more reclusive more emotionless more antiseptic more gelid more cold-blooded more glacial more disdainful more offhand more secret more inarticulate more impassive more passionless more wooden more discreet more diffident more phlegmatic more hostile more clamlike more impudent more procacious more impertinent more insolent more annoyed more introvert more disinterested more uncompanionable more chill more lost for words more casual more stuck-up more laid back more stuck up more laid-back more hush-hush more strait-laced more conventional more half-hearted more negative more ceremonious more arrogant more insociable more sedate more silentious more inhibited more eremitic more off more clinical more snobbish more abstracted more uninvolved more removed more soundless more preoccupied more bashful more hard-boiled more frozen more unexcitable more unenthused more Olympian more alienated more unconversational more arctic more mysterious more enigmatic more cryptic more eremetic more hermitlike more cynical more ascetic more disagreeable more retired more evasive more dried up more outside more abstract more cautious more unaffable more unamiable more spaced-out more uncurious more poker-faced more covert more furtive more unneighbourly more unsocial more uncongenial more shocked more dumbfounded more undercover more feline more backstairs more self-contained more astounded more brooding more inapproachable more suspicious more antagonistic more distrustful more inaccessible more uncivil more unneighborly more mopish more dazed more aghast more thunderstruck more amazed more flabbergasted more gobsmacked more shell-shocked more unflappable more astonished more spiritless more affectless more callous more hardhearted more cold-hearted more stony-hearted more demure more modest more soft-spoken more backward more collected more constrained more self-effacing more composed more noncommittal more serene more isolated more sheepish more hermitic more controlled more self-controlled more cloistered more timorous more unloving more independent more seclusive more recessive more hermitical more thoughtful more recluse more self-sufficient more ungenial more unaffectionate more unmoved more contained more uncharitable more depressing more stoic more stoical more impassible more passive more unreceptive more off-putting more hesitant more lifeless more repellent more inimical more temperate more alone more unassuming more withering more contemptuous more unassertive more insecure more abrupt more unaccompanied more insular more ungregarious more repressed more self-conscious more embarrassed more lonesome more pompous more abashed more unrevealing more unique more special more one-off more singular more discourteous more ungracious more dismissive more sceptical more pensive more self-absorbed more contemplative more self-interested more jaundiced more malevolent more meditative more reflective more inner-directed more ruminative more self-centred more deserted more lorn more forsaken more particular more inhumane more pessimistic more self-centered more introspective more secluded more sequestered more selfish more narrow-minded more sardonic more sarcastic more egoistic more egotistical more misanthropical more skeptical more monastic more eremitical more hermetic more camera-shy

completer deader fuller more completed more finished more done more terminated more decided more determined more past more settled more accomplished more fulfilled more established more exhausted more wrought more prepared more compassed more effete more set more used up more final more lapsed more satisfied more organized more organised more obsolete more defunct more consummate more sweeping

more classified more confidential more hush-hush more restricted more secret more unrevealed more buried more covert more hidden more private more unknown

quieter calmer peacefuller placider stiller stillier tranquiler lowner lower lower-pitched softer closer dumber fainter mousier muter more hushed more serene more arcadian more halcyon more restful more untroubled more subdued more bashful more closemouthed more curbed more iced more inarticulate more incoherent more inconversable more indistinct more inhibited more laconic

more buttressed more butyraceous more buzzed more buzzworthy more by accident more byzantine more buttoned-down more butthurt more butterlike more butterfingered more butcherous more butcherly