Synonyms and related words :
advertent, agog, alert, all ears, all eyes, assiduous, attentive, aware, axial, careful, centermost, central, centralized, centric, centroidal, centrosymmetric, clamped, close, close-knit, close-textured, close-woven, compact, compacted, complete, compressed, concrete, condensed, congested, conscious, consolidated, constricted, contracted, crammed, crammed full, cramped, crowded, dense, desperate, diligent, earnest, entire, exclusive, exquisite, fierce, finical, finicking, finicky, firm, fixed, full-bodied, furious, geocentric, gluey, hard, heavy, heedful, impenetrable, impermeable, intense, intent, intentive, jam-packed, jammed, key, knitted, lusty, massive, meticulous, middle, middlemost, midmost, mindful, nice, niggling, nipped, nonporous, observant, observing, omphalic, on the ball, on the job, open-eared, open-eyed, openmouthed, packed, pinched, pinched-in, pivotal, potent, puckered, pursed, regardful, robust, serried, solid, solidified, squeezed, strangled, strangulated, substantial, terrible, thick, thick-growing, thickset, total, umbilical, undistracted, undivided, unswerving, vehement, vicious, violent, viscid, viscose, viscous, wasp-waisted, watchful, wrinkled,