severe or stern in manner or appearance, often suggesting a lack of humor, warmth, or friendliness

αυστηρός, σκληρός
lacking sensitivity, refinement, or tact, often displaying vulgarity or rudeness

αγροίκος, χυδαίος
clearly defined or sharply outlined, like the distinct boundaries between two ideas or concepts

κοφτερός, σαφής
characterized by a focus on practical or worldly affairs, rather than abstract or theoretical considerations

κοινότοπος, κοσμικός
dignified, respectable, and showing little or no excitement or change

σεμνός, αξιοσέβαστος
characterized by strict self-discipline, frugality, or simplicity

σπαρτιατικός, λιτός
having or showing good judgement, especially in business or politics

έξυπνος, οξυδερκής
having a rough, harsh, and weak voice, usually due to a sore throat or excessive use

βραχνός, τραχύς
very good at or quick in noticing small details in someone or something

παρατηρητικός, οξυδερκής
Ο παρατηρητικός δάσκαλος αναγνώρισε τα σημάδια αγωνίας σε έναν μαθητή και προσέφερε υποστήριξη πριν κλιμακωθεί η κατάσταση.
